Matches 1 - 50 out of 79 1 2 >


Match Document Document Title
US20130266457 SQUARE SHOULDER METERING ROD  
A metering rod assembly for a pressure sensitive droop flow pump is provided. The assembly includes a metering rod having a first section with a first diameter and a second section with a section...
US20130323091 Hydraulic System and Pressure Limiting Valve  
A hydraulic system has at least one consumer and at least one hydraulic pump. A pressure limiting valve for limiting the maximum system pressure is connected with the at least one hydraulic pump,...
US20100310387 ADJUSTABLE UNLOADER VALVE  
A pressure unloader valve is disclosed having inlet and outlet connections adjustable about two dimensions to adapt to a wide variety of high pressure pumps and similar equipment associated with...
US20050244282 Biological wastewater purification device  
Biological purification device with a multi-chamber tank with separating walls to divide the tank into at least one pretreatment chamber containing activated sludge and at least one purification...
US20140244049 Adaptive Pump Control For Positive Displacement Pump Failure Modes  
Detecting a failure mode of a fluid flow controller configured to control fluid flow between first and second chambers of a downhole positive displacement pump and a flow line, wherein the...
US20060018766 Tire inflation system with pressure limiter  
A tire inflation system includes a hose that connects to a tire via a valve stem. A control valve is in fluid communication with the hose and senses when pressure falls below a predetermined...
US20140286799 AIR COMPRESSOR HAVING BUFFERING COMPARTMENT  
An air compressor assembly includes a cylinder housing, an outlet receptacle disposed on the cylinder housing, and a partition having an air passage formed between the cylinder housing and the...
US20090274566 CHECK VALVE WITH PLASTIC LIP SEAL  
A check valve is provided having a seat and a poppet. The seat is made of a plastic material, has an aperture for enabling fluid to flow through the seat, and also has one end portion that has a...
US20090288633 Dynamic Engine Oil Pickup System  
A dynamic engine oil pickup system is disclosed. The dynamic engine oil pickup system includes a scavenge pump and a pickup tube assembly in fluid communication with the scavenge pump. The pickup...
US20150017029 PRESSURE OVERSHOOTING PREVENTION SYSTEM FOR ELECTRONIC HYDRAULIC PUMP IN HYDRAULIC SYSTEM  
The present disclosure relates to a pressure overshooting prevention system for an electronic hydraulic pump in a hydraulic system, in which a flow rate command is added (+), a discharge flow rate...
US20080317608 Pump Control System  
A pumping system in which a pump (5) is controlled by a programmed controller (22) in response to input signals from an inlet pressure transducer (3) and an outlet pressure transducer (15) and in...
US20050152789 Pressure relief system for paint circulation applications  
A paint circulation system (10) for automotive coating applications presents a paint supply source (18) and a pump (20) for pumping the paint. A circulation line (16) is fluidly communicated with...
US20140255220 PUMP AND CHECK RING THEREOF  
The present invention relates to a pump, which comprises a pump body, a pair of check rings and a pneumatic control valve. When the pneumatic control valve is operated, a main shaft in the pump...
US20100086417 Motor pump unit, in paticular for vehicle power steering  
A motor/pump unit includes a housing and at least one of: an external tank; an ECU axially disposed at the housing of the motor/pump unit; an ECU radially disposed at the housing of the motor/pump...
US20080175727 Electromagnetic displacement control valve in clutchless type variable displacement compressor  
An electromagnetic displacement control valve in a clutchless type variable displacement compressor is disclosed. The control valve includes a valve body, an electromagnetic driving device, a...
US20080145241 Arrangement and Method for a Compressed Air System  
The invention includes an arrangement for a compressed air system including an air compressor arranged to generate compressed air for the compressed air system, an air dryer arranged to dry the...
US20140234132 Pump, In Particular Pneumatic Pump  
The invention relates to a pump comprising a housing (2), comprising at least one pump chamber (15), comprising in inlet valve (30) that has a valve element (30a) which controls an inlet opening...
US20110020161 Displacement Type Compressor Having a Self-Start Synchronous Motor and Start Load Reducing Means  
In order to make a displacement type compressor be able to reliably start without increasing an outside diameter dimension of the compressor while using a self-start synchronous motor having high...
US20080317609 Controllable Coolant Pump  
The invention relates to a controllable coolant pump for internal combustion engines which is driven by torque transmission elements. It is an object of the invention to develop a driven,...
US20080240939 Compressor Having a High Pressure Slide Valve Assembly  
A compressor having a high pressure slide valve assembly is disclosed. The slide valve assembly includes: a volume slide valve mechanism, the mechanism slidably movable to control compressor...
US20080107545 Tandem Pump No-Load Operation Device  
When the pressure in the main oil supply channel is lower than the no-load operation start pressure, the pressurized oil within the secondary oil supply channel passes through the internal flow...
US20070297921 CONDUIT SEAT FOR AN ATOMIZING DEVICE  
A conduit seat for an atomizing device. The conduit seat is characterized in that one end face of the conduit seat has an water-in and water-out hole corresponding to that of a pump body, and one...
US20110268590 FLUID WORKING MACHINES AND METHODS  
A fluid working machine, operable to carry out a motoring cycle under at least some circumstances, comprises a controller (12) and a working chamber (2) of cyclically varying volume. The working...
US20110070103 Device and Method for Pumping a Cryogenic Fluid  
The invention relates to a device for pumping a cryogenic fluid, consisting of a tank for storing a cryogenic fluid containing cryogenic liquid, a cryogenic pump having an inlet pressure loss, and...
US20090202365 Method for controlling pump of working machine  
The present invention is intended to provide a technology that can utilize the advantages of both a load sensing control and a regeneration circuit without causing any problem. A regeneration...
US20090238699 CONTROL VALVE ASSEMBLY FOR A COMPRESSOR UNLOADER  
A closing element is for a valve assembly of a compressor unloader, the compressor including a casing with a compression chamber, the unloader including a housing defining a chamber. The valve...
US20080199329 Device for reducing pulsation in a variable displacement compressor  
The present invention is directed to provide a device for reducing pulsation in a variable displacement compressor. The compressor is connected to an external refrigerant circuit. The device for...
US20140099214 CAPACITY CONTROL VALVE  
In a capacity control valve, a discharged-fluid-receiving part having a diameter that is larger than the diameter of a valve hole interconnecting a first valve chamber and a third valve chamber is...
US20090116975 Screw Compressor Comprising a Relief Valve  
A compressor arrangement includes a compressor housing, an intake region defined in the compressor housing, a control pressure connection in communication with the intake region, a control...
US20080279699 FEED PUMP  
The disclosure relates to a feed pump for hydraulic media having an input and an output. A pressure-reducing element is connected to the output, at the output of the element the system pressure...
US20090238700 EQUIPMENT FOR CONTINUOUS REGULATION OF THE FLOW RATE OF RECIPROCATING COMPRESSORS  
Equipment for continuous regulation of the flow rate for a reciprocating compressor, provided with at least one compression chamber (1) in which is slidably inserted a piston means (101) movable...
US20140161639 PRESSURE TRANSDUCER  
A pressure transducer, particularly to be installed in liquid pumping devices, comprising a cup-shaped container from the bottom of which a connector protrudes for connection to a pressurized...
US20080206074 Compressor, Especially Axial Piston Compressor for a Vehicle Air Conditioning System  
Compressor, especially an axial piston compressor for a vehicle air-conditioning system, having a housing delimiting a drive mechanism chamber (17), having a cylinder block in which at least one...
US20130195682 Compressed Air Supply Assembly and Control Method  
A compressed air supply assembly for operating a pneumatic assembly includes a compressed air supply; a compressed air connection to the pneumatic assembly; a purge connection to the environment;...
US20110255995 AIR COMPRESSOR SYSTEM AND METHOD OF OPERATION  
Air compressor systems, upgrade kits, computer readable medium, and methods for controlling an air compressor for improved performance. The methods may include receiving a working air requirement;...
US20110255994 AIR COMPRESSOR SYSTEM AND METHOD OF OPERATION  
Air compressor systems, upgrade kits, computer readable medium, and methods for controlling an air compressor for improved performance. The methods may include receiving a working air requirement;...
US20110223041 Pump  
A pump has a housing in which a rotor is arranged, which is rotatable in the housing about a housing-fixed axis of rotation, the rotor having at least one recess in which is received at least one...
US20070134103 Hydraulic distributor comprising an input element with a scavenging valve  
The input element comprises a body provided with openings respectively connecting to the pump, the reservoir and enabling information return to the pump. The body comprises a bore enabling...
US20090246041 DISPLACEMENT CONTROL VALVE OF A VARIABLE DISPLACEMENT COMPRESSOR  
[Object of the Invention] An object of the present invention is to provide a displacement control valve of a variable displacement compressor for opening and closing a communication passage...
US20100284832 REGULATABLE COOLANT PUMP  
The invention relates to a controllable coolant pump driven by a belt pulley for internal combustion engines. The aim of the invention is to develop a controllable coolant pump (having a gate...
US20140056731 HYDRAULICALLY CONTROLLED RECIPROCATING PUMP SYSTEM  
A system for pressurizing a working fluid including a cylinder having an outlet through which the working fluid is exhausted at a discharge pressure and a plunger translatably disposed within the...
US20100028171 Control System and Method For Pump Output Pressure Control  
A pump system includes pump having a control feature which, responsive to a supply of pressurized working fluid, reduces the pressure of the working fluid pressurized by the pump. The control...
US20140377081 RECIPROCATING COMPRESSORS HAVING TIMING VALVES AND RELATED METHODS  
A reciprocating compressor for the oil and gas industry, the reciprocating compressor has a chamber, a timing valve, an actuator and a controller. A fluid entering the chamber via a suction valve...
US20080075606 Pump Apparatus  
A Pump consisting of a pressure vessel (50), an inlet nozzle (51), an ejector nozzle (52) by which vacuum and pressur are applied, and an outlet nozzle (53). The inlet and outlet nozzles (51, 52)...
US20110189029 HYDRAULIC FLUID CONTROL SYSTEM FOR A DIAPHRAGM PUMP  
A hydraulic fluid control system for a hydraulic diaphragm pump including at least one hydraulic diaphragm containing a process fluid surrounded by at least one hydraulic fluid chamber containing...
US20100282862 PRESSURE WASHER WITH THROTTLE CONTROL  
A pressure washer includes a frame and an engine coupled to the frame. The engine has a throttle configured to control the speed of the engine. The pressure washer also includes a pump attached to...
US20070086899 Fuel system with variable discharge pump  
The present invention relates generally to variable discharge pumps, and specifically pumps used in fuel injection systems. Typically, such pumps include a dedicated spill control valve for each...
US20110194904 Controlled Inlet of Compressor for Pneumatic Conveying System  
A compressor airflow controller is operable to control airflow through a centrifugal compressor. The controller drives the centrifugal compressor and determines if a flow irregularity (e.g., an...
US20100101538 Low Noise Fuel Pump With Variable Pressure Regulation  
An engine assembly may include an engine structure defining a combustion chamber, a fuel injector in fluid communication with the combustion chamber, a fuel supply and a fuel pump assembly. The...
US20090252621 HIGH PRESSURE FUEL PUMP  
A high pressure fuel pump encompasses at least one delivery chamber and one high pressure outlet. In addition, a pressure limiting valve with a valve that is actuated by a pressure differential is...

Matches 1 - 50 out of 79 1 2 >