|| List of recent Crank-related patents
|Apparatus for starting engine and method of controlling engine|
A starter includes a pinion gear that can be engaged with a ring gear coupled to a crank shaft of an engine, an actuator that moves the pinion gear to a position where the pinion gear is engaged with a ring gear, and a motor that rotates the pinion gear. An ecu stops the engine when a predetermined stop condition is satisfied, and cranks the engine with a motor when a predetermined start condition is satisfied after the engine is stopped.
|Control system and method for detecting the rotational speed of an internal combustion engine|
A method for detecting rotational speeds (n) of an internal combustion engine having a signal wheel having marks (m1 through m7) for signaling on a crankshaft of the internal combustion engine is described. The marks (m1 through m7) on the signal wheel are detected with the aid of a sensor and evaluated by a detection and evaluation device.
|Mri compatible surgical drills and related methods|
A surgical, manually operated, hand-held mri-compatible drill for drilling though target bone of a patient includes: a housing; a ring gear held in the housing; a hand crank attached to ring gear and the housing; a pinion gear held in the housing in cooperating alignment with the ring gear; an elongate shaft attached to the pinion on one end portion and to a chuck support on an opposing end portion; a chuck attached to the chuck support held; and jaws attached to the chuck support and residing in the chuck adapted to hold a drill bit. The drill is light-weight.
|Bearing arrangement for a reciprocating compressor|
The arrangement of the present invention is applied to a compressor which comprises a bearing hub housing a crankshaft and presenting at least a first and a second bearing portion, spaced apart by a circumferential recess. The crankshaft presents at least a first and a second support portion, spaced apart by a circumferential recess, which is offset from the circumferential recess of the bearing hub.
|Internal combustion engine having piston configured for reduced particulate emissions, and method|
An internal combustion engine includes a housing having a cylinder bore defining a bore diameter of 260 mm or greater, a fuel injector coupled to the housing, and a crankshaft rotatably coupled to the housing. A piston is coupled to the crankshaft and movable to increase a fluid pressure within the cylinder bore to an autoignition pressure, and includes a combustion face defining a plurality of valve pockets in a compound combustion bowl.
|System for cranking internal combustion engine by engagement of pinion with ring gear|
In a system, an engine restating module is capable of executing an engine restart task to crank an automatically stopped engine if an engine restart condition is met. The engine restart task includes energization of a mechanism to thereby shift a pinion to be engaged with a ring gear, and energization of a motor to rotate the pinion.
|Two-stroke engine and related methods|
A two-stroke engine includes a crankshaft that is rotatable about an axis, and an engine block that includes a combustion cylinder and a compression cylinder. A first piston is slidably disposed within the combustion cylinder and is operatively coupled to the crankshaft for reciprocating movement within the combustion cylinder through a power stroke during each rotation of the crankshaft about the axis.
|Machine combination comprising an internal combustion engine and a generator|
The machine combination of an internal combustion engine and the generator of a hybrid drive has two cylinder-piston units, which are arranged parallel to each other in a common housing and each piston of which has a drive connection to an individual crankshaft via connecting rods associated with the pistons. The crankshafts have a counter-rotational connection to each other by gears.
|Middle web crankshaft having forged stress relief|
A forged crankshaft includes a plurality of main journals, a plurality of crank pin journals rotatable in a circular path about axes defined by the main journals, and a plurality of crank webs. At least one crank web of the plurality of crank webs defines a middle crank web which is located between and connects two neighboring crank pin journals of the plurality of crank pin journals.
|Wrist unit of industrial robot|
A wrist unit of an industrial robot including an eccentric rocking-type reduction gear. The eccentric rocking-type reduction gear includes a hollow forming part forming a hollow part along the rotation center axial line; a through shaft supported rotatably at the hollow forming part and passing through the hollow part to transmit a rotation from the third wrist drive motor from a first wrist element side to a second wrist element side; a plurality of crankshafts arranged around the through shaft and having input gears at ends of the side of the first wrist element; and a gear member provided rotatably centered about the rotation center axial line, the gear member having a first gear to which a rotational force from the second wrist drive motor is input and a second gear with which the input gears of the plurality of crankshafts engage..
|Electrically powered garden tool|
An electrically powered garden tool includes an electric motor mounted upright within an outer shell housing, a pair of relatively reciprocating shear blades assembled to be driven by operation of the motor through a crank mechanism provided within a lower portion of the outer shell housing, and a cooling fan assembled to be driven by operation of the motor for introducing outside air into an upper portion of the outer shell housing to exhaust the introduced air from a lower portion of the outer shell housing. In the garden tool, a downward exhaust opening is formed within a lower end peripheral wall of the outer shell housing enclosing the crank mechanism such that the air spouted by rotation of the cooling fan blows out downward from the downward exhaust opening to restrain the occurrence of blowing noise of the air..
|Hand operated window cover systems|
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..
|Crossbow with rotating limb pockets|
A crossbow with rotating limb pockets has a rifle-like frame with forward, outward limb arch supports which support pivot pins at their distal ends. Rotating limb pockets are pivotally and rearwardly secured to the arch support pivot pins.
|Variable compression ratio apparatus with reciprocating piston mechanism with extended piston offset|
A variable compression ratio apparatus with means to vary compression ratio of an internal combustion engine is provided. The variable compression ratio apparatus with reciprocating piston mechanism with extended piston offset of the invention has a rocker arm/lever assembly pivotally mounted on a crankpin of a crankshaft and a fulcrum which moves along only within confines of a pathway/guide.
|Dual link internal combustion engine|
A dual link internal combustion engine, as viewed in a crank axial direction where a crankshaft rotates clockwise, has a following relative configuration. A piston pin center axis is offset to a right side of a piston center line extending through a center of a piston crest surface of a piston.
|Internal combustion engine provided with balance shafts, and method for controlling such an engine|
An internal combustion engine including: an even number of inline cylinders, each accommodating a piston; a crankshaft rotatably mounted about an axis; first and second balance shafts rotatably mounted about balancing axes parallel to and separate from the engine axis; and first and second mechanisms for rotating the first and second balance shafts at rotating speeds that are dependent on a rotating speed of the crankshaft. The balancing axes of the first and second balance shafts coincide, and the second rotating mechanism adjusts a phase difference between angular positions of the first and second balance shafts around the balancing axis..
|Valve timing control apparatus|
A variable valve timing control apparatus includes a driving side rotation member synchronously rotating with a crankshaft of an internal combustion engine, a driven side rotation member including a rotation peripheral surface, an intermediate lock mechanism for locking a rotational phase of the driven side rotation member at an intermediate phase between a most retarded angle phase and a most advanced angle phase, and a fixed member fixed to the internal combustion engine and including a fixed peripheral surface facing the rotation peripheral surface of the driven side rotation member. Plural seal rings each formed in an annular shape are positioned between the rotation peripheral surface of the driven side rotation member and the fixed peripheral surface of the fixed member, the seal rings positioned spaced apart from each other by a predetermined distance.
|Device for varying the relative angle position of a camshaft with respect to a crankshaft of an internal combustion engine|
A device for varying the relative angle position of a camshaft with respect to a crankshaft of an internal combustion engine. A circlip fixes the valve housing in a positively locking manner.
|Pump jack crank and method|
An apparatus for cranking a shackle of a pump jack. The apparatus includes a shaft which fits through the shackle.
|Marine propulsion device|
A marine propulsion device includes a motive force transmission system, a propeller shaft, a housing section, and a clutch. The motive force transmission system includes a crank shaft and a drive shaft which transmits a motive force from the crank shaft.
|Reciprocating piston mechanism with extended piston offset|
The reciprocating piston mechanism with an extended piston offset is provided. The mechanism is of the type that contains at least one cylinder having a longitudinal axis, at least one piston that has a pivot pin and is slidingly installed in the cylinder, a crankshaft, which is offset at a distance from the longitudinal axis of the cylinder, a rocker arm/lever assembly pivotally mounted on a crankpin of the crankshaft.
|System and method for detecting misfire based on a firing pattern of an engine and engine torque|
A system according to the principles of the present disclosure includes a threshold determination module and a misfire detection module. The threshold determination module determines at least one of an acceleration threshold and a jerk threshold based on a misfire type.
|Attachment for strap|
An attachment for strap detachable from a strap mount includes a plate having a strap hole formed portion, a strap mount connecting portion, and a cranked portion connecting the strap hole formed portion with the strap mount connecting portion, and a rotating member that has an extension portion and that is rotatably supported by the strap hole formed portion. Each of the strap mount connecting portion and the cranked portion is provided with a connecting hole so as to attach the strap mount.
|Control apparatus for internal combustion engine|
An object of this invention is to provide a control apparatus for an internal combustion engine which makes it possible to reliably avoid an abnormal increase in in-cylinder pressure due to pre-ignition. The control apparatus of this invention controls an internal combustion engine including an injector that directly injects fuel into a cylinder.
|Automatic transmission input clutch control|
A method of controlling the performance of a vehicle from a stationary condition includes operating a vehicle powertrain in a creep mode following the disengagement of a driver-operated braking device; and operating the vehicle powertrain in a launch mode following an engagement of a driver-operated acceleration device subsequent to the disengagement of the driver-operated braking device. Operating a vehicle powertrain in a creep mode includes: applying a friction clutch to couple an engine crankshaft of the vehicle powertrain with an input shaft of the transmission; determining a torque command to accelerate the vehicle powertrain at a predetermined rate; providing the torque command to an engine controller to controllably increase the input torque to the transmission; and operating a closed loop engine speed control module to prevent the crankshaft speed from slowing below a predetermined engine idle speed..
|Folding elliptical exercise machine|
A folding elliptical exercise machine includes a main frame, a guider frame coupled to the main frame for being moved between a use position and a storage position, a rotatable crank mechanism arranged on the main frame, two supporting members coupled between two crank units of the rotatable crank mechanism and two tracks of the guider frame, and two pedals coupled to the two supporting members. The engagement of the locking device is affected by the position of the guider frame.
|Unique multi-adjustable rotating-and-locking umbrella-stanchion system|
A multi-adjustable, rotating, and opposite-double-locking umbrella-stanchion system is operated with one finger for oppositely double-locking and -unlocking the umbrella-supporting post of a crank-arm-operated umbrella to secure it in different positions. The system comprises a canopy system, a supporting post, a stanchion base, a u-shaped rotational lever, an actuator arm, a push rod, two opposite l-shaped locking arms, two opposite locking cleats, radial teeth, and two opposite tension springs for pushing the opposite locking cleats downward to oppositely double-lock the post and the canopy system, in place.
|Positive crankcase ventilation system|
An engine assembly includes an engine defining a combustion chamber and a crankcase volume, together with an intake assembly. The intake assembly includes an air cleaner assembly, a throttle, and an intake manifold in a series arrangement and fluidly coupled with the combustion chamber.
|Internal combustion engine with plate-mounted cam drive system|
An internal combustion engine for a vehicle, such as a motorcycle, includes a crankcase, two banks of cylinders projecting from the crankcase in a 56-57 degree v-configuration, a plurality of pushrods, and a plurality of camshafts supported by the crankcase. The two banks of cylinders include a first cylinder bank that projects from the crankcase to a first cylinder head, and a second cylinder bank that projects from the crankcase to a second cylinder head.
|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.
The roof reflector provides selectively deployable and retractable devices for installation over the roof of a building structure to reduce the amount of solar energy transmitted to the roof proper. The roof reflector may include a thick roll of insulating material that may be unrolled to cover the roof or rolled up for storage.
|Internal combustion engine power output control in response to an anomalous running condition|
A method for regulating the power delivered by a reciprocating engine includes the definition of the value of a constant time interval t1 and the values of a threshold for the engine rpm and of a threshold for the percentage opening of the engine throttle valve, below which an operating area is defined in the cartesian graph xy whose axes represent the engine rpm and the percentage opening of the throttle valve tps. The method also includes: measuring, for each engine cycle, the value of the engine rpm at the level of an angular position of the crankshaft in a specific stroke (is, ps); calculating, at the final instant (a) of each time interval t1, an activation value x* obtained from a comparison between the last rpm value measured before the final instant (a) and the last rpm value measured before the initial instant (b) of the time interval t1..
|Method for controlling a planetary gear set in a belt drive and belt drive|
A method and device for controlling a shiftable planetary gear set in a belt drive of an internal combustion engine in a motor vehicle having a sun gear which is fixedly connected to a belt pulley, a ring gear which can be connected fixedly with respect to the housing by means of a brake which is activated by an electrically operated actuator which is effective along a distance which is monitored by a relative distance sensor, as well as a web which is connected to a crankshaft of the internal combustion engine and rotatably accommodates planetary gears, wherein situated between the sun gear and the web is a free wheeling mechanism which can be switched and rolled over in both directions and is switched by the same actuator along the travel distance.. .
|Cranked rod pump apparatus and method|
An improved apparatus and method are provided, for pumping fluids, such as water and/or hydrocarbons, from a subterranean formation or reservoir, through use of a cranked rod pumping (cranked rod pumping) apparatus for imparting reciprocating substantially vertical motion to a rod of a sucker-rod pump having a pump stroke. The cranked rod pumping apparatus includes a motor driven cranked mechanical actuator arrangement.
|Zero emissions pneumatic-electric engine|
A reciprocating engine has several piston assemblies fitted with embedded magnets in positions that can be alternately repelled and attracted by electromagnetic coils within each of the piston cylinders. The magnetic piston assemblies are connected by rods to a crankshaft with a flywheel.
A hermetic compressor includes: a crank shaft rotated by using an axial direction as a rotational axis; a stator rotating the crank shaft; a first bearing penetrated by the crank shaft and rotatably coupled to one side of the crank shaft based on the stator to support one side of the crank shaft when the crank shaft is rotated; a support part having one side provided at the stator and the other side disposed to be adjacent to the other side of the crank shaft, based on the stator; and a second bearing coupled to the other side of the support part and supporting the other side of the crank shaft.. .
|Method of operating variable flux electric starter machine having dual fields|
A method of operating a variable flux electric machine includes passing an electrical current through a plurality of wound poles of a wound field to generate a first flux, rotating an armature at a first crank point having a first speed in response to the first flux, shorting at least one of the plurality of wound poles, generating a second flux through a permanent magnet (pm) field having a plurality of pm poles, and rotating the armature at a second crank point having a second speed in response to the second flux, the second speed being greater than the first speed.. .
|Smooth disengagement with quick clamping mechanism|
And, a collar jam preventing device that can stop a collar in the radial direction before it bumps into an axial dead end, which causes a tight jam and becomes hard to crank in the subsequent working cycle.. .
|Method of travel using a folding vehicle having a chassis that functions as a protective, carry-on casing|
A method of using a folding vehicle having a chassis that functions as a protective, carry-on casing is provided. The vehicle has a chassis with a center member, a rotatably-lockable front strut, a rotatably-lockable rear strut, and two pivot points for converting the vehicle from an operational state to a collapsed state; and, a drive member with a crankshaft.
|Methods and systems for free piston engine control|
Motion control of a hydraulic free-piston engine is achieved in order to enable advanced combustions such as low temperature combustion. To accomplish this, an active controller acts as a virtual crankshaft, which causes a piston to follow a reference trajectory using energy from a storage element.
|Leaf spring bellows internal combustion engine|
A four-cycle internal combustion engine has a bellows leaf spring working in a compression mode or a tension mode. The leaf spring is connected to a crankshaft and forms a movable portion of a bellows chamber that receives exhaust gases from an engine cylinder.
A valve gear operates an intake valve for a plurality of cylinders. The valve gear includes a driving cam shaft that rotates with an engine crankshaft, a driven member operated by a driving cam of the driving cam shaft, a pivot member which pivots in association with movement of the driven member causing the intake valve to reciprocate, and a valve gear case accommodating the cam shaft, the driven member, the pivot member, and a control shaft.
|System for detecting malfunction of variable valve lift apparatus and method for the same|
A system for detecting malfunction of a variable valve lift apparatus may include an engine provided with the variable valve lift apparatus controlling lift of a valve, a vibration sensor which detects vibrations generated in closing of the valve and outputs corresponding vibration signals, and a control portion which receives the vibration signals and determines the malfunction of the variable valve lift apparatus according to the vibration signals to be detected within a predetermined crank angle.. .
|Method for diagnosing a valve of a fluid supply line|
In a method for diagnosing a valve in a fluid supply line to a suction line of an air system of a combustion engine, the fluid supply line being is part of an exhaust-gas recirculation system or a crankcase ventilation system, when the valve is actuated, a first pressure in the suction line is monitored for change, and an error of the valve is detected if the change of the first pressure lies outside a specific reference range when the valve is actuated.. .
|Interchangeable electronic lock|
An electronic lock is interchangeable with mechanical locks in retrofit applications or as an oem lock. The lock includes interchangeable modular components.
|Method and system for operating an electronic lock|
An interchangeable electronic lock includes an electronic access system to activate a motor which powers a gear assembly in the electronic lock. An optional manual bypass allows an operator to override the electronic access.
|Security device for a pedal vehicle|
A security device can be secured to a pedal vehicle to prevent the vehicle being pedalled. The security device includes a receiving means and a securing means.
|Fishing line float and spool device|
A fishing line float and spool device is provided having a rounded, buoyant structure, and an arraignment that allows a length of fishing line to be independently supported from the water surface. The device comprises a first and second side having a perimeter flange and an inset channel therebetween for supporting the fishing line about the perimeter of the device.