This page is updated frequently with new Pressor-related patent applications.
| Electric motor for compressor, compressor, refrigerating cycle apparatus, and manufacturing electric motor for compressor|
An aluminum wire, which is an electric wire of an electric motor of a compressor, is wound around a copper wire, which is another electric wire, at interval in the length direction. The portion around which the aluminum wire is wound is brazed with a brazing material containing a flux.
Siam Compressor Industry Co., Ltd.
| Cooling of electrolytic capacitors in electrical climate compressors|
A system for mounting at least one cylindrical electrolytic capacitor on a heat sink, the heat sink having at least one bore for at least partially receiving a cylindrical electrolytic capacitor, and the bore partially or fully encompassing the cylindrical electrolytic capacitor once it has been received, wherein lateral surfaces of the cylindrical electrolytic capacitor are mechanically and thermally connected to surfaces forming the bore. The system providing thermal cooling of the electrolytic capacitor and enabling substantially uniform thermal cooling of the capacitor.
| Suppressor choke|
A suppressor choke for damping common-mode interference currents, having a core and at least two windings which each pass a number of times about the core, at least one turn of one of the windings having two rigid components which each form a turn portion and are connected to each other to form the turn.. .
Rosenberger Hochfrequenztechnik Gmbh & Co. Kg
| Method for detecting compressed air system leakage|
A method of detecting leakage in a compressed air system having a compressor includes configuring an electrical monitor to measure one or more electrical parameters indicative of operation of the compressor. The method further includes identifying periods of time during which the compressor is not in use; analyzing running times and intervals of the compressor between compressor operations during one or more of identified periods of time to establish a baseline for air leakage.
Schneider Electric Usa, Inc.
| Cooled detecting device|
A detection device for infrared radiation has a detection circuit of infrared radiation equipped with at least one photodetector. A readout circuit is electrically connected to the detection circuit, and is configured to process the signal emitted by the detection circuit.
SociÉtÉ Francaise De DÉtecteurs Infrarouges - Sofradir
| System and controlling vapor compression systems|
A method controls a vapor compression system including a variable speed compressor. A desired discharge temperature of the compressor is determined using a mapping between values of the discharge temperature of the compressor and values of speed of the compressor and outdoor air temperature.
Mitsubishi Electric Research Laboratories, Inc.
| Refrigeration cycle apparatus|
A refrigeration cycle apparatus avoids refrigerant conditions causing a disproportionation reaction and exhibit high performance with safety even when a refrigerant causing the disproportionation reaction is used in a zeotropic refrigerant mixture. The refrigeration cycle apparatus uses, as a working refrigerant, the zeotropic refrigerant mixture of a first refrigerant and a second refrigerant having a higher boiling point than that of the first refrigerant under the same pressure, and includes at least a main passage sequentially connecting a compressor, a first heat exchanger, an expansion valve, a gas-liquid separator, and a second heat exchanger.
Asahi Glass Company, Limied
| Refrigerant charge and control heat pump systems|
A heat pump system comprises a compressor, at least one expansion valve, an accumulator for storing a volume of liquid refrigerant therein, a liquid refrigerant indicator connected to the accumulator to indicate an appropriate refrigerant charge in cooling and heating modes, and a controller. The controller is configured to determine a target compressor discharge pressure based on measured outdoor air temperature and control the compressor discharge pressure by modulating the position of the at least one expansion valve, wherein the higher the target discharge pressure target, the less liquid refrigerant is left in the accumulator.
Nortek Global Hvac Llc
Provided is an accumulator capable of effectively suppressing a bumping phenomenon and the following impact noise during the starting of a compressor without making the structure of the accumulator complicated or increasing the cost and the size thereof, and so having cost-effectiveness. An accumulator includes: a tank 10 having an inflow port 15 and an outflow port 16; and a double-pipe structured outflow pipe 30 including an inner pipe 31 joined to the outflow port 16 and hanging inside of the tank 10, and an outer pipe 32 disposed outside of the inner pipe 31.
| Refrigeration cycle device|
A refrigeration cycle apparatus in which working refrigerant is a zeotropic refrigerant mixture containing at least a first refrigerant and a second refrigerant having a higher boiling point than the first refrigerant at the same pressure, the refrigeration cycle apparatus including at least a main passage in which a compressor, a first heat exchanger, a first expansion valve, and a second heat exchanger are sequentially connected, the first refrigerant having a property of disproportionation, the first refrigerant having a smaller composition ratio in the compressor than a composition ratio of the first refrigerant passing through the main passage.. .
Asahi Glass Company, Limited
Refrigeration system including evaporators associated in parallel
The present invention belongs to the technological field of refrigeration systems and, more particularly refrigeration systems used in residential applications, for example, refrigeration appliances including at least two climate chambers at different temperatures. Problem to be solved: conventionally, existing refrigeration systems including evaporators connected in parallel require complex compressors including at least two suction paths, or alternatively functional complex arrangements unable to maintain independence between the individual evaporators.
Provided is an energy system comprising: a screw compressor; a condenser; an expansion device; an evaporator; an evaporator heat source flow path configured to provide a heating medium supplied from an outside as a heat source of the evaporator; a lubricant oil heat-exchanging unit configured to perform a heat-exchanging operation of the heating medium on an evaporator heat source flow path and lubricant oil including a refrigerant inside the screw compressor, to heat the lubricant oil by the heating medium before the screw compressor starts up, and to cool the lubricant oil by the heating medium discharged from the evaporator after the evaporator is heated by the heating medium, after the screw compressor starts up; and a controller configured to control the lubricant oil heat-exchanging unit depending on whether the screw compressor starts up.. .
Korea Institute Of Energy Research
Bleed valves for gas turbine engines
A bleed valve for a gas turbine engine compressor has a valve body and a flapper. The valve body defines a flow path and includes a flapper seat.
Hamilton Sundstrand Corporation
Separated opposed flow single coupling compressor stage
A product usable with a turbocharger may include a compressor wheel having an inducer section and an exducer section. Air may be collected by the inducer section and expelled by the exducer section.
Method for coating compressor blade tips
A method for forming a component having an abrasive portion includes forming the component and selectively forming a coating on the component using electric spark deposition to form the abrasive portion. A method for coating a blade tip with an abrasive material includes forming a blade having a tip and depositing a coating on the blade tip using electric spark deposition.
United Technologies Corporation
Method and apparatus in connection with a screw compressor
The screw compressor with a variable rotational speed of the screw compressor, the rotational speed of the screw compressor having a speed profile in which the rotational speed is changed stepwise such that between stepwise changes the rotational speed of the screw compressor is kept substantially constant for a time period, repeating the speed profile until the pressure of the pressure vessel reaches a set pressure value, determining pressure of the pressure vessel, power consumption of the screw compressor drive and mass flow rate during the pressurising when the rotational speed of the screw compressor is kept substantially constant, calculating energy efficiency of the screw compressor drive as a function of pressure of the pressure vessel and rotational speed of the screw compressor on the on the basis of the determined pressure of the pressure vessel and power consumption of the screw compressor drive.. .
Abb Technology Oy
Oil-free screw compressor
An oil-free screw compressor with good assemblability of a shaft seal device that reduces leakage of a compressed gas, where the oil-free screw compressor accommodates male and female screw rotors in a rotor chamber of a casing, supports each screw rotor by a bearing through a rotor shaft, and has shaft seal devices in a shaft seal space. The shaft seal devices include an oil seal on the side of the bearing, a packing case on the side of the rotor chamber, and a gas seal.
Kabushiki Kaisha Kobe Seiko Sho (kobe Steel, Ltd.)
System for heating a compressor assembly in an hvac system
The present invention provides a system for heating a compressor assembly of a heating, ventilation, and air conditioning (hvac) system. The system comprises a heat source for transferring thermal energy to a plurality of compressor units.
Lennox Industries Inc.
A compressor system includes: at least one variable-speed compressor, at least one fixed-speed compressor, a main suction pipe and a main discharge pipe; respective suction pipes of the variable-speed compressor and the fixed-speed compressor are connected to the main suction pipe in parallel, and respective discharge pipes of the variable-speed compressor and the fixed-speed compressor are connected to the main discharge pipe in parallel. The main suction pipe is configured with an oil-gas separation fitting structure, and the oil-gas separation fitting structure is designed to enable most oil of oil-gas mixture from the main suction pipe to move into the variable-speed compressor, and to make the variable-speed compressor stay in an oil-rich state..
Danfoss (tianjin) Ltd.
Compressor with crankshaft and insert
Various embodiments of a crankshaft assembly with an insert are disclosed. The crankshaft assembly for an air compressor comprises a crankshaft with a first segment; a second segment having an outside diameter and a cavity extending into a distal end.
Bendix Commercial Vehicle Systems Llc
A reciprocating compressor is provided for which natural frequencies of a front side support spring and a rear side support spring are formed to be different such that a natural frequency of one support spring is lower than an operating frequency and a natural frequency of the other support spring is higher than the operating frequency, whereby both support springs may resonate in mutually opposite directions to form an antiphase, and thus, compressor vibrations may be effectively reduced without reducing a stiffness of both support springs.. .
Lg Electronics Inc.
Reciprocating compressor and hydrogen supply system
A reciprocating compressor of the disclosure includes a cylinder, a piston, a space for compressing gas, a discharge port for discharging the compressed gas from the space, a discharge valve, and a supplying port for supplying liquid that is different in kind from the gas. The cylinder has an axis extending in a direction of gravity.
Panasonic Intellectual Property Management Co., Ltd.
Gas turbine compressing cooling system provided with cooling air supply paths around outer casing
The present invention relates to a gas turbine which includes a cooling system provided with cooling air supply paths bypassed through an outside casing and, more specifically, to a gas turbine including a cooling system and a cooling method, wherein, in order to supply cooling air to a plurality of turbine blades and other devices provided to the inside of the gas turbine, cooling air supply paths are not provided to the rotor center shaft of the gas turbine but provided around the outer casing of the gas turbine so as to achieve the increased effect in the aerodynamic efficiency of the compressor and the turbine. According to the above structure and method, it may be possible to provide the cooling air supply paths not to the rotor center shaft of the gas turbine but around the outer casing of the gas turbine, thereby finally achieving the increased effect in the aerodynamic efficiency of the compressor and the turbine..
Doosan Heavy Industries & Construction Co., Ltd.
Power augmentation system for a gas turbine
A power augmentation system for a gas turbine that is electrically coupled to a power grid incudes, in serial flow order, a compressed air supply, a compressed air storage tank and an expansion turbine that is disposed downstream from the compressed air storage tank. An exhaust outlet of the expansion turbine is in fluid communication with at least one of an inlet section or a compressor of the gas turbine..
General Electric Company
Systems and methods for use with internal combustion engines and vehicles comprising the same
Systems, methods, and vehicles for use with internal combustion engines comprising combustion chambers that produce exhaust gases that include a stirling engine having a hot side and a cold side with the hot side being in thermal contact with exhaust gases produced by the internal combustion engine. The stirling engine is configured to be powered by heat from the exhaust gases during operation of the internal combustion engine, and a compressor powered by the stirling engine is configured to provide compressed air to combustion chambers of the internal combustion engine..
Purdue Research Foundation
Methods and systems for boost control
Methods and systems are provided for turbocharger speed control in an engine system having multiple staged charge boosting devices. In one example, compressed air is provided by a turbocharger compressor until a turbocharger speed reaches a limit.
Ford Global Technologies, Llc
Methods and systems for boost control
Methods and systems are provided for turbine temperature control in an engine system having multiple staged charge boosting devices. In one example, compressed air is provided by a turbocharger compressor until an outlet temperature of the compressor reaches a limit.
Ford Global Technologies, Llc
Internal combustion engine with integrated air compressor
A piston-cylinder arrangement for an internal combustion engine includes a first cylinder bore in an engine with a first piston disposed therein. A combustion chamber may be positioned between walls of the first cylinder bore and the first piston.
Turbocharger arrangement having compressor wheels arranged in parallel and a operating a turbocharger arrangement
Methods and systems are provided for a turbocharger of an engine. In one example, a method may include balancing a pressure differential between compressor wheels of the turbocharger..
Ford Global Technologies, Llc
Splitter nose of a low-pressure compressor of an axial turbomachine with annular deicing conduit
The invention comprises a splitter nose of an axial turbomachine, in particular a compressor, the splitter nose comprising: an annular casing an annular conduit for de-icing a separation edge of the splitter nose; the conduit is connected to the casing only in a first zone in the region of a hot air inlet and in a second zone located in a position diametrically opposite the inlet, or forming relative to the axis of the turbomachine an angle α less than 30° with respect to the position so as to allow expansion deformations of the conduit. The invention also comprises a compressor and a turbomachine comprising such a splitter nose..
Safran Aero Boosters Sa
Variable turbine or compressor geometry for an exhaust gas turbocharger
A variable turbine and/or compressor geometry for an exhaust gas turbocharger may include an adjusting ring for simultaneously adjusting a plurality of guide vanes. The adjusting ring may be operatively connected to an articulated lever via a first contact surface and to an associated adjusting lever of the plurality of guide vanes via a second contact surface.
Bosch Mahle Turbo Systems Gmbh & Co. Kg
Method and arrangement for generating steam at a digester plant of a chemical pulp mill
The present invention relates to a method of producing steam at a digester plant of a chemical pulp mill. Black liquor is discharged from the digester at a first temperature and pressure.
Modified gene conferring virus resistance
The present invention relates to modified rdr1 gene capable of conferring virus resistance to a plant and/or increasing virus resistance in a plant, which modification results in enhanced expression of the rdr1 gene, and wherein the modification is selected from a modification that increases the mrna level of the rdr1 gene; a modification that increases the level of the rdr1 protein; and/or a modification that increases the activity of the rdr1 protein, as compared to a non-modified wild-type rdr1 gene. The modification may comprise a modification upstream of the coding sequence of the rdr1 gene, such as a modification of a regulatory element, preferably of a cis-acting regulatory element.
Rijk Zwaan Zaadteelt En Zaadhandel B.v.
Use of an air lubrication system for reducing marine growth on a vessel
A method for reducing marine growth on a vessel, includes providing an air lubrication system and covering at least a part of the hull with air bubbles. Also described is a vessel having an air lubricating system with releasable connection of the deflectors across the cavity, a closeable outlet valve in the air outlet duct, connection of a compressor to each cavity or pair of cavities and an air inlet opening in the top of the cavity..
Silverstream Technologies B.v.
Air lubrication system and vessel comprising such a system
A vessel (1) has at least three cavities that are distributed across the bottom in the length direction along a line extending from the center line near the bow, to a respective side. Furthermore, the vessel accommodates for each cavity or pair of cavities on opposite sides of the center line at a predetermined length position, a corresponding compressor for injecting air into the cavity at a pressure substantially corresponding to the hydrostatic pressure in each cavity.
Silverstream Technologies B.v.
Methods and systems for a vehicle air conditioning system
Methods and systems are provided for adjusting operation of an automotive air conditioning system including a pressure sensor positioned within a compression chamber. In one example, a method may include adjusting operation of the air conditioning system based on one or more parameters of a compressor operation including a compressor inlet pressure, a compressor outlet pressure, and a compressor speed, that are determined based on output from the pressure sensor positioned within the compression chamber..
Ford Global Technologies, Llc
Systems and methods for compressor clutch control
Methods and systems are provided for controlling an air conditioning compressor clutch. In one example, a method includes monitoring a clutch of an air conditioning system in a vehicle when the air conditioning system is activated, and responsive to determining that the clutch is not engaged, increasing a current flow to the clutch.
Ford Global Technologies, Llc
Tire puncture repair kit
To control compressed air to a prescribed pressure without using a relief valve and a chamber and to suppress deviation of the pressure. A compressor device 2 of a puncture repair kit 1 has a pressure gauge 6.
Unik World Ind. Co., Ltd.
Acid gas capture system and method saving energy by cooling absorbent, which has passed reboiler, by means of steam condensate
The present invention relates to a system and a method therefor capable of reducing the amount of heat which must be supplied to a regeneration tower for regenerating an absorbent in an acid gas capture system for such acid gas as carbon dioxide, and provides an acid gas capture system and an acid gas capture method capable of reducing energy consumption by using the heat from the system itself in an acid gas capture system. The system and method according to the present invention have the benefit of saving energy by lowering the thermal demand of a reboiler by using the low-temperature steam condensate generated in the capture system to cool the upper end of the regeneration tower and a steam generator and compressor..
Korea Institute Of Energy Research
Telemedical throat examination device
A throat examination device, suitable for telemedical application, whereby an unskilled examiner may safely perform an examination of a patient's throat and send the results to a remotely located medically qualified personnel. The device may be used with a smartphone having a camera and comprises a viewing port, a positioning device to properly position the camera and a constrained tongue depressor to safely position the patient's tongue..
Client device, data communication system, data communication method, and program
A compression necessity determiner is configured to determine a necessity of compression of to-be-uploaded data to a server. A data compressor is configured to compress, when the compression necessity determiner determines that the compression of the to-be-uploaded data is necessary, the to-be-uploaded data in a predetermined scheme.
Mitsubishi Electric Corporation
Vehicle inverter device and motor-driven compressor
A vehicle inverter device is configured to convert dc power to ac power. The vehicle inverter device includes a circuit having switching elements and a noise reducer.
Kabushiki Kaisha Toyota Jidoshokki
Multiple voltage battery pack with common battery management system
A battery pack includes a first battery, a second battery remotely separated from the first battery, components to be shared by the batteries, and a battery housing. The batteries and the components are contained within the battery housing.