|| List of recent Crank-related patents
A hybrid vehicle according to one embodiment of the present invention has: an internal combustion engine including an in-cylinder fuel injection valve and a crank ventilation system; a motor; a power transmission mechanism connecting a drive shaft of the vehicle and the engine to allow torque transmission therebetween and connecting the drive shaft and the motor to allow torque transmission therebetween; and a control device. The control device controls output torques of the engine and the motor so as to exert an equal torque to a user requiring torque on the drive shaft.
|Method for operating a vehicle|
A method for operating a vehicle system is provided. The method includes activating a starter-generator rotationally coupled to a crankshaft output in an internal combustion engine while combustion operation in the internal combustion engine is inhibited, operating the starter-generator to drive the crankshaft in a predetermined speed range while combustion operation in the internal combustion engine is inhibited, and activating combustion operation in a cylinder of the internal combustion engine in response to a combustion activation trigger..
A method for controlling and regulating an electrical auxiliary motor suitable for a pedal-driven vehicle including a crank axle, such as a bicycle, in such a way that said electrical auxiliary motor assists a user in rotating said crank axle by muscular force, the method including: a) receiving information about the specific torque tpset said user would like to generate when rotating said crank axle by muscular force; b) determining the actual torque tp generated by the user on the crank axle; and c) for each tp, adjusting the torque generated by the electrical auxiliary motor tm in such a way that: tm is increased in case tp is higher than tpset; tm is not changed in case tp is equal to tpset; tm is reduced in case tp is lower than tpset; and tm is 0 in case tp is 0.. .
|Method and system for engine control|
Methods and systems are provided for improving engine restarts in a hybrid vehicle. In response to a wide-open pedal tip-in, maximum torque is rapidly provided by cranking an engine while advancing intake cams and while discharging compressed air from an accumulator into the engine intake.
Solitary chainring for a bicycle front crank and drive chain, including a plurality of teeth formed thereabout. The plurality of teeth includes a first group of teeth and a second group of teeth alternating with the first group of teeth.
A chainless drive mechanism for a bicycle using pedal arms, one on each side of the bicycle, each pedal arm carrying a pedal engageable with a rider's foot. Each pedal arm is mounted to a crank by a rotating joint and connected to the frame of the bicycle by a link, each link having rotating joints at each end.
The invention relates to a barrier skirt (3,3′), e.g. For access barriers or railway barriers, which consists of a number of stanchions (4,4′) of identical shape which are suspended at mutual spacings between a barrier boom (2) hinged to a barrier housing (1) and swivable in the vertical plane and a rail (6,6′) running parallel to the barrier boom.
|Internal combustion engine with paired, parallel, offset pistons|
An internal combustion engine; wherein at least two cylinders continuously communicate via the cylinder head; and wherein the connecting rod in one cylinder is offset from the connecting rod in the second cylinder by an angle between 1 and 90 degrees as measured from the crankshaft.. .
|Connecting rod for internal combustion engine|
A connecting rod for internal combustion engines and the like has a rod, an upper connecting rod part, and a lower connecting rod part the rod is composed of at least two parts including a left part, as considered in direction of rotation of a crankshaft clockwise, having a straight shape and connected directly to the upper connecting rod part and to the lower connecting rod part, and a right preferably bent part connected directly to the lower connecting rod part and to the upper connecting rod part by an intermediate part.. .
|Hybrid vehicles with radial engines|
A radial cam engine with an optimized cam configuration can provide improve performance over crankshaft internal combustion engines. The cam configuration can include a flat-top or flat bottom piston motion, multiple lobe cam configurations, matching piston force with torque/force ratio in combustion phase, asymmetry piston motions for improved power transfer during combustion phase, and/or offset piston and cam configurations.
|Crankset and bottom bracket assembly|
A crankset and bottom bracket assembly for a bicycle having a spindle. The crankset and bottom bracket assembly comprising a first crank.
|Powertrain mechanism for vehicles with internal combustion engine|
A powertrain mechanism comprising a carrier plate connected to the crankshaft, a drive plate connected to the gearbox shaft and at least one spring positioned between at least one first spring housing provided on the carrier plate and at least one spring housing provided on the drive plate, in order to transfer the torque, obtained from the crankshaft, to the gearbox shaft in vehicles having internal combustion engine.. .
|Reciprocating piston mechanism|
A reciprocating piston mechanism comprises a crankcase and a crankshaft. The crankshaft is supported by the crankcase and rotatable with respect thereto about a crankshaft axis.
|Chain drive power take off for hydraulic pump|
A chain drive power take off assembly drives a hydraulic fluid pump from a torque converter input of a motor vehicle. The assembly includes a first, chain drive sprocket which is coupled to and driven by a engine output/torque converter input member such as an engine crankshaft or transmission input member, a chain and a second, driven chain sprocket which is coupled to a stub shaft and which, in turn, is coupled to an input shaft of the hydraulic pump.
|Engine operation start control device of hybrid vehicle|
The invention relates to an engine operation start control device of a hybrid vehicle comprising a power output device having an internal combustion engine and an electric motor. In this hybrid vehicle, an intermittent control for intermittently operating the engine can be performed and when the operation of the engine is started during the intermittent control being performed, a cranking of the engine is performed until the engine speed reaches a target engine speed.
A scroll compressor is provided in which a boss of an orbiting scroll is inserted into and coupled to a boss coupling recess of a crank shaft, so that friction loss of a bearing portion of the crank shaft may be reduced, compression efficiency and reliability of the compressor may be enhanced, and noise and material costs may be reduced. A bush bearing may be formed as a coating on the boss of the orbiting scroll, so that a thickness of the bearing portion of the crank shaft may be reduced.
|An oil-free scroll fluid machine|
An oil-free scroll fluid machine includes an inner casing used as or not as a fixed scroll, and an outer casing used as a fixed scroll. The inner casing is butted with the outer casing to form a seal chamber.
|Motor vehicle including an upper firewall crossbeam|
A motor vehicle including a motor vehicle body defined by two body sides and a vehicle floor, and a wall attached laterally to the body sides and transversely to the floor, to separate a passenger compartment of the vehicle from the engine compartment. The motor vehicle further includes an upper firewall crossbeam having a cross-section that opens toward outside of the vehicle, and which is closed by the wall.
|Methods and systems for cylinder bank misfire detection and reactivation|
Various systems and methods are described for deactivation and reactivation of a cylinder bank in a v-engine. In one example, the cylinder bank is deactivated responsive to an indication of misfire based on crankshaft acceleration and exhaust air fuel ratio.
|Valve timing control apparatus|
A valve timing control apparatus is provided with at least one of: an advance-angle control starting device configured to start to control a relative rotational phase of a camshaft with respect to a crankshaft to an advance side when an internal combustion engine starts and when a valve lift amount associated with an intake valve or an exhaust valve increases; and a delay-angle control starting device configured to start to control the relative rotational phase to a delay side when the internal combustion engine starts and when the valve lift amount associated with the intake valve or the exhaust valve decreases. It is possible to appropriately release engagement by a locking mechanism between a first rotating body configured to rotate synchronously with the camshaft and a second rotating body configured to rotate synchronously with the crankshaft..
|Camshaft adjusting device|
A camshaft adjusting device having a vane-type adjuster, which includes a stator which is rotatably drivable by a crankshaft; and a rotor which is rotatably supported in the stator and is connectable to a camshaft, a plurality of radially inwardly projecting projections, which divide an annular space between the stator and the rotor into multiple pressure chambers, being provided on the stator; and a plurality of radially outwardly projecting vanes, which divide the pressure chambers into oppositely acting working chambers, being provided on the rotor; a pressure medium being applicable to the working chambers to optionally adjust the rotor with respect to the stator via a central valve, the central valve being integrally connected to the rotor or to the stator or to a component which is rotatably fixedly connected to one of the two parts.. .
Apparatus for anchor line reeling to raise or lower an anchor using a cranked reel employing a clutch bearing and a drag, which drag is controllably released by reverse rotation of the crank. An additional reel drag is used to prevent reel overturning when the anchor is lowered and hits bottom..
|Oil mist separator for a crankcase ventilation for separating particles and corresponding method|
Oil mist separator (1) for a crankcase ventilation for separating particles (2) from a fluid (3) guided from a first fluid line (14) to a deflector body device (20), with a device (10) for actively accelerating the fluid (3) in the first fluid line (14).. .
|Hybrid electric vehicle engine starting with a preloaded damper spring|
A method for starting an engine includes preloading a spring of a torsion damper by transmitting torque having a magnitude less than engine cranking torque from an electric motor through a clutch to the spring, before cranking the engine, increasing a torque capacity of the clutch, and using the electric motor to crank the engine in response to a command to start the engine.. .
|Misfire detection system of internal combustion engine|
When ignition is retarded in an internal combustion engine, an engine misfire detection system calculates a difference between combustion-time engine torque produced when combustion takes place in the engine, and expansion torque corresponding to non-combustion-time engine torque produced when the engine rotates without causing combustion, at intervals of a predetermined crank angle, calculates a shift amount with which a total value of the differences within a misfire determination period is maximized, and shifts the misfire determination period by the shift amount.. .
|Crankcase ventilation filter assembly; components; and methods|
Crankcase ventilation filter arrangements and components therefore are described. Example arrangements are described.
|Engine start control system for vehicle with isg and method thereof|
An engine starting control method of vehicle with an isg may include determining whether a request of restarting an engine is detected in an idle stop state; determining a cylinder closest to tdc from an angle of a crankshaft when the request of restarting the engine is detected; and starting a cranking operation by operation of the isg, and restarting the engine by controlling a starting fuel injection amount and ignition timing of the cylinder closest to tdc.. .
|Battery apparatus for supplying power to oppositely-mounted bicycle crank arms|
A battery apparatus comprises a bicycle crank axle having a first end, a second end, and a hollow portion. The first end of the bicycle crank axle is configured to attach to a first bicycle crank arm, the second end of the bicycle crank axle is configured to attach to a second bicycle crank arm, and a power source is disposed within the hollow portion.
|Connection assembly for a power system|
A connection assembly for a power system is disclosed. The connection assembly may have a housing configured to be connected to a stationary portion of a generator and a bearing operatively connected to the housing.
|Torque converter having clutch backing plate fixed to cover and method of forming|
A torque converter is provided. The torque converter includes a front cover for connecting to an engine crankshaft; a clutch plate; a clutch backing plate limiting axial movement of the clutch plate away from the front cover; and a connector rigidly connected to the front cover and including a rivet portion for fixing the clutch backing plate to the front cover.
|Window cover system with spring drive arrangement|
A spring drive system useful for window covers is disclosed, which comprises one or more coil spring drives or flat spring drives and the combination whose elements are selected from one or more of a group which includes (1) a band or cord transmission which provides varying ratio power transfer as the cover is opened and closed; (2) gear means comprising various gear sets which provide frictional holding force and fixed power transfer ratios; (3) a gear transmission which provides fixed ratio power transfer as the cover is opened or closed; (4) crank mechanisms; (5) brake mechanisms; and (6) recoiler mechanisms. The combination permits the spring drive force to be tailored to the weight and/or compression characteristics of an associated window cover such as a horizontal slat or pleated or box blind as the cover is opened and closed..
|Internal combustion engine|
An internal combustion engine is disclosed. The internal combustion engine includes a head, a first and second cylinders, a first and second doubled-end pistons, a wrist pin, a connecting rod, and a crankcase.
|Device for automatically stopping and restarting internal combustion engine|
A device for automatically stopping and restarting an internal combustion engine is provided with a crank angle sensor (1) that detects a crank angle of an engine (10), a fuel injection unit (11) that injects fuel into the engine, and the device is also provided with a starter activation prohibition determination means that prohibits activation of a starter (20) by determining that the engine is in reverse rotation during inertial rotation of the engine, and removes the starter activation prohibition depending on the crank angle when the engine starts reverse rotation.. .
|Internal combustion engine and motorcycle equipped with the engine|
In an internal combustion engine, upper and lower crankcases include a crank chamber, a clutch chamber in communication with the crank chamber, and a cam chain chamber. The upper crankcase includes a second upper partition wall configured to separate the cam chain chamber and the clutch chamber from each other.
|Machine for machining crankshafts|
The machine for machining crankshafts comprises a support (2) to support at least one crankshaft (100), and at least one actuator (1) to actuate a machining tool for machining the crankshaft. The support (2) is configured to hold the crankshaft with at least two clamping devices (21) configured to secure the crankshaft in correspondence with at least two main journals (103) of the crankshaft.
|Bicycle crank arm and insert therefore|
A crank arm for a bicycle may include a body extending along a body axis and having a first body end and a second body end axially spaced apart from the first body end. The insert may also include an insert provided toward the first body end.
|Connecting rod of reciprocating compressor|
The present invention relates to a connecting rod for reciprocating compressor, in particular a connecting rod converting the crank rotating motion into linear axial motion. The rod (1) having means capable of compensate efforts and ensure alignment and deflection of the piston (p) inside the cylinder (c).
|Tongue module for robot|
The present invention relates to a tongue module for a robot which is installed in an android face robot formed to have a similar external appearance to a human face and to express feelings. The tongue module includes a tongue body made of composite silicon material and formed to have smooth texturing; a front and rear driving unit configured to move the tongue body in front and rear directions by using a crank arm and a first servo motor; an up and down driving unit configured to bend the tongue body in up and down directions by using wires and a second servo motor; and a linear rail assembly configured to move the tongue body in a straight line..
|Railway point crank system|
The present disclosure relates to a linked crank mounting device for use with a switch rail, comprising: an input terminal or series of input terminals; an actuator; an output connector; and attachment means for rigidly attaching the linked crank mounting device relative to the railway; wherein the input terminal or terminals are for receiving input power, the output connector is directly or indirectly mechanically linked to at least one of a switch rail or an output connector of a further linked crank mounting device, and the actuator applies the input power to the output connector.. .
|Collapsible multi function sauna and dryer|
A sauna cabin enclosure comprised of two half cabins, one half being smaller than the other, such that one half can fit inside the other and can slide to contract or expand partially or fully, thereby increasing or decreasing the air volume inside and the overall external size. This cabin has infrared heating, full spectrum lighting and a steam generator.
|Device for fixing the oil pump leaf on a hermetic compressor crankshaft|
A device for fixing the oil pump leaf on a hermetic compressor crankshaft used in small- and medium-sized refrigeration machines, such as refrigerators, freezer, water dispensers and others. The device (1) is coupled to a leaf (2) or without coupling and may be manufactured by polymer injection and/or composites, or even, molded or machined in metallic material..
|Personal positioning creeper|
A personal positioning creeper (ppc) for assisting mechanics, technicians and factory workers who need access to various angles and heights on a vehicle, aircraft, factory equipment, etc. The ppc allows the operator to simultaneously maneuver from lying supine near the ground, to moving upward and rotating into a full sitting position without having to dismount the ppc.
|Electrohydraulic device for closed-loop driving the control jack of a variable compression ratio engine|
An electrohydraulic device for controlling the compression ratio of a variable compression-ratio engine, includes at least one dual-flow electrovalve (81) with no check valve and capable of opening and closing at least one hydraulic fluid duct (83) between the upper chamber (121) and the lower chamber (122) of a control jack (8), at least one position sensor (82) of a control rack (7), an angular position sensor (88) of the crankshaft (9) of the engine for adjusting the compression ratio, and at least one calculator (84).. .
|Common rail system having mechanical unit pumps|
A fuel system for an engine is disclosed. The engine may have a crankshaft and a plurality of cylinders.
|Oil management system for an internal combustion engine, and a method for oil management of such an engine|
Disclosed is an oil management system for an internal combustion engine that includes a crankcase. The oil management system includes a first container for storage of a first quantity of oil and a second container for temporary storage of a predetermined second quantity of oil.
|Cam phaser system and method|
An engine system is provided. The engine system includes a drive component coupled to a first end of a camshaft and mechanically coupled to a crankshaft and a cam phaser coupled to a second end of the camshaft and mechanically coupled to and spaced away from the drive component, the cam phaser configured to alter the timing of the camshaft..
|Torque transmission device|
A torque transmission device for starting an internal combustion engine using a permanently engaged starter motor for a start-stop system. An annular gear connected with the starter motor includes a bearing for decoupling the starter motor from the engine based upon the rotational speed difference between the internal combustion engine and the starter motor.
|Bicycle sprocket and bicycle crank assembly|
A first sprocket is capable of engaging with a chain. The first sprocket has a first sprocket main body, a plurality of teeth disposed along a circumferential direction on the radially outer side of the first sprocket main body, and at least one shifting area.
|Positioning device for positioning the saddle of a bicycle|
A positioning device for positioning the saddle of a bicycle that includes a measuring pole and an adaptor positioned at an end of the measuring pole for coupling the end to the pedal crankshaft of the bicycle. The positioning device also includes a positioning assembly with a base that is configured to be supported on the saddle.
This invention concerns a burnishing head for smooth rolling of the ring-shaped flat end faces (3, 4) at the thrust bearing of crankshafts by means of two cylindrical burnishing rollers (1, 2) which are arranged to be rotated and are side by side in parallel to each other within a burnishing head housing (12) that is pivotable about its longitudinal axis (20) to reach its the working position. Each burnishing roller (1, 2) is pivoted in a cage (10, 11) which is provided in the burnishing head housing (12) with low play (13) and lateral relocatability..
|System and method of using rotational speed predictions for starter control|
A system and method of coupling a pinion of a starter to a crankshaft of an internal combustion engine, including: predicting a future trajectory of the drop of the rotational speed of the crankshaft based on information associated with the drop of the rotational speed of the crankshaft and determining a timing of the driving of the starter based on the future trajectory of the drop of the rotational speed of the internal combustion engine.. .
|Method for predicting a rotational speed of a crankshaft in an internal combustion engine|
Method for predicting a rotational speed (n) of a drive shaft (16) in an internal combustion engine (13), wherein a past rotational speed (n) of the drive shaft (16) is determined, characterised in that in order to determine a theoretical rotational speed (nt1, nt2) of the drive shaft (16) at a future point in time (tt1, tt2), the change in the rotational speed (n) between two past events (p01, p11; p02, p12) occurring at different times is used, one rotational speed (n01, n11; n02, n12) and one point in time (t01, t11; t02, t12) being assigned to each event, wherein one point in time (t01, t02) is an earlier point in time and the other is a later point in time (t02, t12), which therefore lies before the predicted point in time (tt1, tt2), wherein a gradient (m) is determined for a period between the two events (p01, p11; p02, p12) and is used as the basis for deducing a theoretical future rotational speed (nt1, nt2) at the future point in time (tt1, tt2), such that in order to determine the theoretical rotational speed (nt1, nt2) of the drive shaft (16) at the future point in time (tt1, tt2), the determined gradient (m) is used to determine the theoretical rotational speed (nt1, nt2) at the future point in time (tt1, tt2), on the basis of the later point in time (t02, t12), thus determining whether the theoretical rotational speed (nt1, nt2) actually occurred before the future point in time (tt1, tt2) or not until afterwards.. .
|Elliptical exercise device|
An elliptical exercise device includes a frame supporting guide links which provide for a horizontal component of motion of associated foot support links. A mechanical coupling couples the foot support links to a crank system and intermediate links couple the crank system to the guide links such that a foot receiving area of each foot support link moves in a closed generally elliptical path when the crank system rotates..
|Elliptical exercise device|
An elliptical exercise device includes a frame supporting guide links which provide for horizontal motion of associated foot support links. A mechanical coupling couples the foot support links to the crank system and intermediate links connect the crank system to the guide links such that a foot receiving area of each foot support link moves in an elliptical path when the crank system rotates..
|Hybrid powertrain and modular rear drive unit for same|
A powertrain includes an engine that has a crankshaft. A first motor-generator is drivingly connected to the crankshaft via an endless rotatable device.
|Compound archery bow and firing system for the same|
A spring loaded archery bow and, more particularly, an archery having a firing system with at least one compression style single spring assembly and a pair of cranks each having first legs engageable against the at least one single spring assembly and second legs to support rotatable archery cams.. .
|Air intake porting for a two stroke engine|
A two stroke engine of a particular configuration can have its power output increased by running bigger pistons and using ports in the piston skirt through which to conduct compressed air within the skirt through short passages in the cylinder housing that conduct the air from within the skirt to above the piston. As a result a larger piston can be used for the same spacing and opening size in the block to save the need to redesign the block and the crankshaft.
|Positive crankcase ventilation system and method for operation|
A positive crankcase ventilation (pcv) system is provided. The pcv system includes an oil return line coupled to a pcv oil separator and extending through a crankcase housing and a pcv bypass valve positioned in a wall of the oil return line, the pcv bypass valve opening when a pressure in the crankcase exceeds a threshold value and closing when a pressure in the crankcase falls below a threshold value..
|Air handling constructions with turbo-compounding for opposed-piston engines|
An opposed-piston engine has an air handling system equipped with a turbo-compound system that includes a power turbine for producing a rotary output in response to a flow of exhaust gas flowing into the turbine. The rotary output is connected to a crankshaft or other rotating element of the opposed-piston engine for converting some of the exhaust gas energy into mechanical energy supplied to the crankshaft..
|Mechanical elevating and revolving gates|
The mechanical elevating and revolving gates consist of a support box, an overlapping monolithic plate, lever mechanisms, and hinges. The overlapping plate is raised vertically upwards by a predetermined amount (up to 1 meter), after which the said plate is turned by 90 degrees, completely opening an aperture in the support box and forming a protective cover above the gates.
|Pool lift portability method and apparatus|
An apparatus is provided for rendering a pool lift portable. The apparatus comprises a forewheel assembly comprising a forewheel attached to a base of a pool lift adjacent a forward edge of the base, and a jack comprising a jack wheels.
|Stop control apparatus for internal combustion engine|
A stop control apparatus for an internal combustion engine is provided with: a motor (mg1) configured to output torque to a crankshaft (205) of the internal combustion engine (200); a number-of-revolutions detecting device (110) configured to detect the number of revolutions of the internal combustion engine; a crank angle detecting device (120) configured to detect a crank angle of the crankshaft of the internal combustion engine; a motor controlling device (150) configured to control the motor to output adjusting torque which adjusts the crank angle when the internal combustion engine stops to have a desired value, when the internal combustion engine stops; a throttle valve controlling device (160) configured to control an opening degree of a throttle valve (208) to be a predetermined opening degree in an intake stroke immediately before the internal combustion engine stops; and an adjusting torque determining device (140) configured, to determine the adjusting torque on the basis of the predetermined opening degree and the crank angle when the number of revolutions of the internal combustion engine has a predetermined value. This makes it possible to preferably control the crank angle when the internal combustion engine stops..
|Laboratory centrifuge provided with means for the locking of a lid in its closed position|
A laboratory centrifuge includes elements (10) for the locking of a lid in a closed position, which locking elements (10) include at least one strike (11) and at least one bolt (12) mobile between a locking position and an unlocking position. These locking elements (10) also include operating elements (15) including a motor shaft (16) that is coupled to the bolt (12) through transmission elements (17).
|Whole body exercise device|
A whole body exercise device comprises an upper body exercise part which comprises an upper body support which supports the upper human body, a mat fixing plate which is disposed at an upper surface of the upper body support, a link which is disposed at one side of a lower surface of the upper body support, a rotary shaft which is disposed at the lower surface of the upper body support for a seesaw motion, a crank cam rod which is disposed between the link and a driven shaft pulley, a main shaft pulley which is connected to the driven shaft pulley by a power transmission part, and a driving shaft pulley which is connected by the power transmission part to the main shaft pulley and a motor; and a waist and hip exercise part which comprises a hip support which supports a hip, a height adjustment cylinder which is connected to a lower end of the hip support, a guide, a rail, a power transmission motor for the parallel movement, a reciprocating rotation crank rod, a cam whose one end is connected to the reciprocating rotation crank rod and whose other end is connected to the main shaft pulley through the rotation axis, and a pulley bracket whose one end is connected to the main shaft pulley through the rotation axis and whose other end is fixed to a lower end of a main frame.. .
|Drive train having a spur gearing and a centrifugal pendulum|
A drive train including an internal combustion engine with a crankshaft, and having a spur gear arrangement with at least one transmission input shaft that is coupled to the crankshaft by a friction clutch. A clutch plate within a housing of the friction clutch is connected in a rotationally locked manner to the at least one transmission input shaft and includes a centrifugal force pendulum.
|Engine front end accessory drive bracket|
A system, comprising a vehicle engine with a crankshaft, a bracket structure coupled to the vehicle engine, a thermostat positioned in the bracket structure, an accessory device coupled to the bracket structure, a water pump mounted to the bracket structure, and a drive loop coupling the accessory device and water pump with the crankshaft.. .
|Internal combustion engine provided with a cooling pump that can be mechanically disconnected|
An internal combustion engine having: an engine provided with a crankshaft; a cooling system provided with a circulation pump, which comprises an impeller supported by a pump shaft that is mounted so as to rotate around a rotation axis; an auxiliary shaft, which transmits the rotation movement to the pump shaft of the circulation pump; a mechanical transmission, which transmits the rotational movement from the crankshaft to the auxiliary shaft; and a coupling device, which is interposed between the pump shaft of the circulation pump and the auxiliary shaft and is suited to mechanically connect/disconnect the pump shaft to/from the auxiliary shaft.. .
|Propulsion device for use with a fluid|
In one embodiment, a propulsion device for use with a fluid may include a shaft coupled to a drive system that rotates the shaft, one or more cranks rigidly coupled to the shaft, and one or more connecting structures that are movably coupled to one of the one or more cranks. A foil may be rigidly coupled to the one or more connecting structures.
A clamping device is configured to ensure that a workpiece fixed between the jaws of the clamp is self centered by coupling the jaws to a pair of linkages that rotate through the same angle as the application of a first causes the jaws to translate in linear fashion across the surface of the device. In particular, the clamping device utilizes coupled linkage (e.g., a 180° bell crank), in combination with slots for retaining opposing jaws and maintaining only linear movement of the jaws, thus providing a fast and accurate self-centering arrangement.
|Drive shaft structure|
The invention relates to a power transmission system of the automotive vehicle. A drive shaft structure, comprising a drive shaft and a hydraulic overload protector, the drive shaft comprises a first shaft and a coaxial second shaft, the hydraulic overload protector comprises a mounting rack, a crank shaft and at least a pair of hydraulic cylinders, a communicating tube is provided between two cylinders of the pair of hydraulic cylinders, a bi-directional pressure valve is provided on the communicating tube, said crank shaft comprises a spindle and a connecting rod shaft, said spindle is connected with said mounting rack rotatably, said first shaft is fixed with said mounting rack, said second shaft is fixed with said spindle, said connecting rod shaft is connected with said mounting rack via said cylinders.
|Nitrocarburized crankshaft and method of manufacturing the same|
Provided is a method of manufacturing a nitrocarburized crankshaft which is obtained by subjecting a bainitic microalloyed steel to a forging and a machining, and further subjecting the bainitic microalloyed steel to at least a strain releasing heat treatment and a subsequent nitrocarburizing treatment, the bainitic microalloyed steel containing, as essentially added elements, in terms of mass %: 0.10% to 0.40% of c; 0.10% to 1.0% of si; 1.0% to 2.0% of mn; 0.05% to 0.40% of mo; and 0.05% to 0.40% of v, and the bainitic microalloyed steel optionally further containing, as arbitrarily added elements, in terms of mass %: 0.01% to 0.1% of s; 0.005% to 0.2% of ti; 0.001% to 0.03% of al; 0.50% or less of cr; 0.5% or less of cu; and 0.5% or less of ni, with the balance being fe and unavoidable impurities.. .
|Mechanical system of linking to the master connecting rod for transmission of the motion of the pistons of an internal combustion engine to control and change the compression ratio|
The present invention relates to the reciprocating internal combustion engine sector and more specifically concerns a mechanical system of linking to the master connecting rod for transmission of the motion of the pistons of an internal combustion engine consisting of a lever, which can be completely rigid or made up of a flexible part and a rigid part, and a connecting rod connected to it that rotates a crankshaft; two coaxial pistons with opposed heads that act practically in the same cylinder and have opposed combustion chambers are connected by two small connecting rods at the top of the said lever, which has its fulcrum—fixed or moving—in the engine bedplate.. .
|Variable compression ratio engine|
A system and method for providing a variable compression ratio internal combustion engine is disclosed. The system can include a crankshaft pivotally coupled to a standard engine block using a plurality of pivoting main bearing caps.
|Internal combustion engine automatic stop/restart device and internal combustion engine automatic stop/restart method|
Provided are an internal combustion engine automatic stop/restart device and an internal combustion engine automatic stop/restart method capable of appropriately releasing a drive inhibition state of a starter (200) depending on an rpm of an internal combustion engine (101). The drive inhibition state of the starter is released when a drive inhibition release determination period, which is set depending on a time interval between a time point when a first reverse rotation crank signal is detected and a time point when a second reverse rotation crank signal is detected and a drive permission lower limit value corresponding period corresponding to a starter drivable rpm lower limit value, elapses before a third reverse rotation crank signal is input..
|Action reaction combustion engine|
An action reaction combustion engine comprising of one or more engines with one or more pistons having adequate mass being housed in mated cylinders and having two opposing heads also having valving plumbing fuel delivery and starting means and allowed to reciprocate on linear bearings delivering a workforce on each end of back and fourth stroke one force when the pistons compresses and stops and one force when fuel ignites or high pressure air pushes and drives the piston back producing four power events every one complete reciprocating cycle or revolution of the crank or other drive mechanism.. .
|"v" internal combustion engine provided with balancing countershaft|
An internal combustion engine having: a crankshaft; camshafts that activate intake and exhaust valves; an auxiliary shaft, which rotates in an opposite direction with respect to the crankshaft and is unbalanced so as to act as balancing countershaft; and a mechanical transmission, which receives the movement from the crankshaft and controls the timing by causing the rotation of the camshafts and, at the same time, causes the rotation of the auxiliary shaft.. .
The invention relates to a hard-rolling roller for a deep rolling tool having a torus-shaped base body for deep rolling of radiuses or recesses which limit the bearing trunnion on crankshafts on both sides, and two at least approximately truncated cone-shaped central bodies, rising on both sides of the body. A cylindrical body rises on the upper end surface of one of the two central bodies..