| Patents for F04B 27 - Multi-cylinder pumpsspecially adapted for elastic fluids and characterised by number or arrangement of cylinders (7,781) |
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| 02/22/2012 | EP2420399A1 Driving torque-calculating device for variable displacement compressor, and air conditioning system for vehicle |
| 02/22/2012 | CN202148999U 新型摇摆式无油空气压缩机 The new oil-free air compressor swing |
| 02/21/2012 | US8118566 Piston compressor with second intake |
| 02/16/2012 | WO2012020949A2 Valve plate assembly of compressor |
| 02/16/2012 | US20120037822 Capacity control valve |
| 02/15/2012 | CN1978898B 活塞型压缩机 Piston type compressor |
| 02/15/2012 | CN101705930B 车用双活塞电子真空泵 Car electronics dual-piston pump |
| 02/09/2012 | WO2012017820A1 Fluid rotary machine |
| 02/08/2012 | EP2255090B1 Reciprocating piston machine |
| 02/08/2012 | CN102348894A 挺杆 Tappet |
| 02/08/2012 | CN102345911A Cooling and warming dual-purpose air-conditioning system for vehicles |
| 02/02/2012 | WO2012014523A1 Swash plate compressor |
| 02/02/2012 | WO2012014522A1 Sliding member and method for producing same |
| 02/02/2012 | US20120027626 Return to neutral mechanism for hydraulic pump |
| 02/02/2012 | DE112009002441T5 Verdichter mit variabler Verdrängung Variable displacement compressor |
| 02/01/2012 | EP1707831B1 Thrust needle roller bearing, support structure receiving thrust load of compressor for car air-conditioner, support structure receiving thrust load of automatic transmission, support structure for nonstep variable speed gear, and support structure receiving thrust load of manual transmission |
| 02/01/2012 | CN102341599A Swash plate compressor |
| 02/01/2012 | CN101418788B 用于可变排量压缩机的排量控制阀 For a variable displacement compressor displacement control valve |
| 01/26/2012 | DE112009001913T5 Steuersystem für einen Verdichter mit variabler Verdrängung A control system for a variable displacement compressor |
| 01/25/2012 | EP2410178A1 Micro compressor |
| 01/25/2012 | CN1715645B Reciprocating piston compressor |
| 01/19/2012 | WO2012008787A2 Capacity control valve for a variable capacity compressor |
| 01/19/2012 | WO2012007888A2 Air or gas compression system |
| 01/19/2012 | DE10324442B4 Fluideinrichtung Fluid means |
| 01/18/2012 | EP2406494A1 Tappet |
| 01/18/2012 | EP1899605B1 Pilot valve for a coolant compressor, and coolant compressor |
| 01/12/2012 | WO2012005474A2 Swash plate type compressor |
| 01/12/2012 | US20120009073 Pump |
| 01/12/2012 | DE10331851B4 Regelbarer Taumelscheibenkompressor Adjustable swash plate compressor |
| 01/11/2012 | EP1937970B1 Axial piston machine |
| 01/11/2012 | EP1691075B1 Capacity control valve |
| 01/11/2012 | CN202108682U Novel hydraulic reciprocation type compressor |
| 01/11/2012 | CN102312813A Tilting tray compressor |
| 01/10/2012 | US8092193 Self lubricating pump |
| 01/05/2012 | WO2012002589A1 Control device for a hydraulic pump of construction machinery |
| 01/05/2012 | DE10159363B4 Schrägscheibenkompressor Swash-plate compressor |
| 01/04/2012 | EP2402606A1 Self-lubricating wearable coating swash plate and the production process thereof |
| 01/03/2012 | US8087903 Hydraulic rotary machine |
| 12/29/2011 | WO2011162429A1 Hydraulic pump control system for construction machinery |
| 12/29/2011 | WO2011162077A1 Variable-displacement compressor |
| 12/29/2011 | WO2011162072A1 Variable-displacement compressor |
| 12/28/2011 | CN102301138A 往复运动压缩机的阀板与吸入阀和/或排出阀的抵接部的加工方法及往复运动压缩机 Reciprocating compressor valve plate and the suction valve and / or discharge working method abutting portion of the valve and a reciprocating compressor |
| 12/28/2011 | CN102297113A 气体压缩装置 Gas compression device |
| 12/22/2011 | WO2011157681A1 Air-cooled reciprocating compressor having special cooling air conduction |
| 12/22/2011 | WO2011157411A2 Short-shaft electric compressor |
| 12/21/2011 | CN102292545A 用于压缩机的卸荷系统和方法 System and method for unloading the compressor |
| 12/20/2011 | US8079830 Refrigerant compressor |
| 12/14/2011 | EP2395244A1 Method of processing contact portions between valve plate and suction valve and/or discharge valve of reciprocating compressor, and reciprocating compressor |
| 12/14/2011 | EP1146229B1 Pulsation restricting structure in compressor |
| 12/14/2011 | CN202073736U 具有内循环管路装置的低油耗环保空压机 Low fuel consumption and environmental air compressor with internal circulation line device |
| 12/14/2011 | CN101131153B 压缩机及其操作方法 Compressor and its operation method |
| 12/08/2011 | WO2011150529A1 Piston pump device |
| 12/07/2011 | EP2391826A2 Unloader system and method for a compressor |
| 12/07/2011 | CN102272451A 斜盘式压缩机 Swash plate type compressor |
| 12/07/2011 | CN102272450A 具有旋转阀的斜盘式压缩机 Having a rotary valve swash plate type compressor |
| 12/07/2011 | CN101203588B 冷冻机油组合物、使用该组合物的压缩机和冷冻装置 Refrigerator oil composition, a compressor and a refrigerating apparatus using the composition |
| 12/01/2011 | WO2011148775A1 Booster compressor with integrated electric motor |
| 12/01/2011 | DE102008040455B4 Axialkolbenverdichter Axial piston |
| 11/30/2011 | EP2390503A1 Compressor for vehicle air-conditioners |
| 11/30/2011 | CN102261317A 一种v型压缩机 One kind of v-type compressor |
| 11/24/2011 | WO2011145562A1 Variable-capacity compressor |
| 11/24/2011 | WO2011078543A3 Apparatus and method for controlling a hydraulic pump of a construction machine |
| 11/23/2011 | CN202047961U Vacuum pumping treatment device |
| 11/23/2011 | CN101696680B Reciprocating piston compressor |
| 11/22/2011 | US8062003 System and method for providing oxygen |
| 11/22/2011 | CA2540721C Eccentric drive mechanism for volumetric pumps or motors |
| 11/17/2011 | DE10202896B4 Verstellbarer Kompressor Adjustable compressor |
| 11/17/2011 | DE102008001540B4 Kolbenkompressor Piston Compressor |
| 11/16/2011 | EP2290249B1 Pulley support double row ball bearing |
| 11/16/2011 | CN102245898A Displacement control valve for a variable displacement compressor |
| 11/16/2011 | CN101006273B Hemispherical shoe and method of manufacturing the same |
| 11/10/2011 | WO2011140069A1 Method of controlling a compressor in an air-conditioning system |
| 11/10/2011 | WO2011081427A3 Reciprocating compressor |
| 11/10/2011 | WO2011081381A3 Reciprocating compressor |
| 11/10/2011 | WO2011078547A3 Variable capacity compressor |
| 11/10/2011 | DE19939015B4 Kompressor mit einem Steuerventil in einem Ansaugdurchgang des Kompressors Compressor with a control valve in a suction passage of the compressor |
| 11/10/2011 | CA2798058A1 Method of controlling a compressor in an air-conditioning system |
| 11/09/2011 | CN102235337A High-displacement bidirectional sloping plate type automobile air-conditioner compressor |
| 11/09/2011 | CN102235179A Jet thermal energy and nuclear energy conversion engine with rotary cylinder piston |
| 11/09/2011 | CN101571112B Variable displacement type compressor with displacement control mechanism |
| 11/08/2011 | US8052401 Double-acting radial piston hydraulic apparatus |
| 11/03/2011 | WO2011135911A1 Capacity control valve |
| 11/03/2011 | WO2011090276A3 Control valve for an air conditioner, and air conditioner for a vehicle |
| 11/03/2011 | WO2011062379A3 Hydraulic pump control device and control method for construction machinery |
| 11/02/2011 | EP2382391A1 Compressor, in particular a radial piston compressor for carbon dioxide as a refrigerant |
| 11/02/2011 | EP1315906B1 Piston compressor comprising a crankshaft whose mass is dynamically compensated, in particular for rail vehicles (detachable compensatory mass) |
| 11/01/2011 | US8047765 Device, system and method for thermally activated displacement |
| 10/26/2011 | EP1438504B1 Reciprocating piston motor comprising a sliding sleeve |
| 10/19/2011 | EP2376781A1 Device for delivering a gas |
| 10/13/2011 | WO2011125501A1 Compressor |
| 10/12/2011 | CN102213207A Reciprocative compressor |
| 10/06/2011 | WO2011121669A1 Piston compressor |
| 10/05/2011 | EP2372155A2 Clutch fail safe system |
| 10/05/2011 | EP2372154A2 Compressor with temperature sensor |
| 10/05/2011 | EP2372153A1 Speed sensor |
| 10/05/2011 | CN202001248U Double-row piston-type/diaphragm-type compressor with double elliptic orbit slots |
| 10/05/2011 | CN101535640B Piston compressor |
| 09/29/2011 | WO2011086907A3 Compressor having suction throttle valve |
| 09/29/2011 | DE112009002268T5 Kapazitätssteuerungsventil, Kompressor mit variabler Kapazität und Kapazitätssteuerungssystem dafür Capacity control valve, variable capacity compressor and capacity control system therefor |
| 09/28/2011 | CN201991724U 新型喷气织布机直轴偏心块气泵 The new jet loom straight shaft eccentric pump |