| 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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| 05/10/2013 | WO2013065632A1 Compressor |
| 05/08/2013 | EP2589822A1 Control device for a hydraulic pump of construction machinery |
| 05/08/2013 | DE102012204794A1 Verdichter mit variabler verdrängung Compressor with variable displacement |
| 05/07/2013 | US8435013 Reciprocating compressor and oxygen concentrator |
| 05/02/2013 | WO2013060456A1 Air-conditioning compressor for a motor vehicle |
| 05/02/2013 | DE102011117354A1 Klimakompressor für ein Kraftfahrzeug Air compressor for a motor vehicle |
| 05/01/2013 | EP2587074A1 Hydraulic pump control system for construction machinery |
| 05/01/2013 | EP2587060A1 Motor-driven compressor |
| 05/01/2013 | CN202914265U Vehicle air conditioner compression unit |
| 05/01/2013 | CN103080548A 流体旋转机械 Fluid rotating machinery |
| 04/25/2013 | WO2013058598A2 Control valve for compressor |
| 04/24/2013 | EP2582979A2 Short-shaft electric compressor |
| 04/24/2013 | EP2582978A1 Air-cooled reciprocating compressor having special cooling air conduction |
| 04/24/2013 | CN103069164A Clearance pocket for reciprocating compressor |
| 04/17/2013 | EP2581602A1 Swash plate compressor |
| 04/17/2013 | CN101910635B Capacity control system for variable capacity compressor |
| 04/17/2013 | CN101688529B Displacement control system of variable displacement compressor |
| 04/16/2013 | US8419382 Piston compressor |
| 04/16/2013 | US8419381 Tandem piston pump |
| 04/10/2013 | EP2577062A1 Piston pump device |
| 04/04/2013 | US20130084195 Swash plate compressor |
| 04/03/2013 | EP2574788A2 Port closing device for compressor |
| 04/03/2013 | EP2574787A2 Compressor |
| 04/03/2013 | EP2574786A2 Compressor |
| 04/03/2013 | CN103026086A Sliding member and method for producing same |
| 04/03/2013 | CN103026065A Swash plate compressor |
| 04/03/2013 | CN103016298A Swash-plate oscillating reciprocating-piston oilless air compressor |
| 04/03/2013 | CN103016297A Compressor |
| 04/03/2013 | CN103009958A Method for transitioning between vehicle climate control system modes |
| 04/03/2013 | CN101479476B An oil separating structure of variable displacement compressor |
| 03/28/2013 | WO2013042557A1 Reciprocating pump and oxygen concentrating device |
| 03/28/2013 | WO2013042492A1 Variable capacity compressor |
| 03/28/2013 | WO2012148180A3 Swashplate-type compressor |
| 03/27/2013 | EP2573394A1 Variable-capacity compressor |
| 03/27/2013 | EP2573393A2 Compressor Bearing and Compressor Component |
| 03/27/2013 | CN202833014U Reciprocating compressor |
| 03/21/2013 | WO2013039734A1 System and method for diagnosing a reciprocating compressor |
| 03/20/2013 | CN202811286U Vibration damping and noise reducing air compressor |
| 03/20/2013 | CN202811258U W-type five-level reciprocating piston type natural gas compressor |
| 03/20/2013 | CN202811257U Cross internal gas-intake compressor |
| 03/20/2013 | CN202811256U Direct-connection oil-free air compressor with dual shaft extensions and four air cylinders |
| 03/20/2013 | CN102985704A Control device for a hydraulic pump of construction machinery |
| 03/20/2013 | CN102979694A 压缩机 Compressor |
| 03/20/2013 | CN101784796B System for controlling capacity of variable capacity compressor and display device |
| 03/14/2013 | US20130064690 Unloader system and method for a compressor |
| 03/13/2013 | CN202789381U Air compressor convenient to mount |
| 03/06/2013 | EP2565452A1 Capacity control valve |
| 03/06/2013 | CN202768321U Double-shaft-extension oilless air compressor connected with six cylinders and couplers |
| 03/05/2013 | US8387947 Capacity control valve |
| 02/27/2013 | CN102947592A Variable-displacement compressor |
| 02/27/2013 | CN102947591A Variable-displacement compressor |
| 02/27/2013 | CN102947590A Method of controlling a compressor in an air-conditioning system |
| 02/27/2013 | CN102947589A Air-cooled reciprocating compressor having special cooling air conduction |
| 02/27/2013 | CN101560968B Straight-line reciprocating piston type compressor |
| 02/26/2013 | US8382449 Fluid machine with radial cylinders |
| 02/20/2013 | CN102937075A Vehicle air conditioner compression device |
| 02/19/2013 | CA2342932C Piston engine balancing |
| 02/13/2013 | CN202732266U Single-drive four-cylinder compressor structure |
| 02/13/2013 | CN102926967A Reciprocating type tilting tray compressor structure |
| 02/07/2013 | DE10344920B4 Axialkolbenverdichter Axial piston |
| 02/06/2013 | CN202718823U Single-stage double-role large-displacement gas booster compressor |
| 02/06/2013 | CN102913414A Inclined disk-type air condition compressor |
| 01/31/2013 | WO2013015215A1 Fluid machine |
| 01/29/2013 | US8360743 Rotary pressure production device |
| 01/24/2013 | WO2012161514A3 Control valve for a variable capacity compressor and method for manufacturing same |
| 01/23/2013 | EP2549106A1 Volume control valve |
| 01/23/2013 | CN202690357U Micropump with high airtightness |
| 01/23/2013 | CN202690356U Low-noise micro-pump |
| 01/23/2013 | CN202690351U Swashplate axial piston pump |
| 01/23/2013 | CN102893035A Hydraulic pump control system for construction machinery |
| 01/23/2013 | CN102893029A Variable-capacity compressor |
| 01/16/2013 | CN202673610U Intelligent electric control automobile air-conditioning compressor |
| 01/16/2013 | CN202673609U Reciprocating air compressor |
| 01/16/2013 | CN202673608U Sealing type eight-cylinder refrigerating compressor |
| 01/16/2013 | CN202673607U Single-drive eight-cylinder compressor structure |
| 01/16/2013 | CN101828033B Variable displacement swash plate type compressor |
| 01/16/2013 | CN101796265B An axial piston machine with rotation restraint mechanism |
| 01/15/2013 | US8353688 Volumetric pump comprising a driving mechanism |
| 01/15/2013 | US8353680 Air conditioning compressor |
| 01/10/2013 | WO2013005538A1 Pressure-sensitive control valve |
| 01/10/2013 | WO2012154462A3 Method and apparatus for controlling multiple variable displacement hydraulic pumps |
| 01/10/2013 | WO2011150529A8 Piston pump device |
| 01/10/2013 | DE112011101172T5 Verdichter Compressor |
| 01/09/2013 | CN102869884A 容量控制阀 Capacity control valve |
| 01/09/2013 | CN102869850A Mounting arrangement for an eccentric shaft in a refrigeration compressor |
| 01/08/2013 | US8348632 Variable displacement compressor shaft oil separator |
| 01/02/2013 | CN102859193A Double-acting piston compressor guided by a roller and driven by a gearwheel and racks |
| 01/02/2013 | CN101761465B Compressor with dual outboard support bearings |
| 01/01/2013 | US8342816 Engine-driven hydraulic pump |
| 12/27/2012 | WO2012174621A1 Centripetal compressor |
| 12/27/2012 | WO2012154463A3 Method,apparatus,and computer-readable storage medium for controlling torque load of multiple variable displacement hydraulic pumps |
| 12/26/2012 | EP2538081A1 Gas boosters |
| 12/26/2012 | EP2536949A1 Double-acting piston compressor guided by a roller and driven by a gearwheel and racks |
| 12/26/2012 | CN202628428U Oilless air compressor with multiple connecting rods, multiple air cylinders and multiple pistons |
| 12/20/2012 | WO2012172914A1 Capacity control valve |
| 12/20/2012 | WO2012108671A3 Valve plate assembly of compressor |
| 12/18/2012 | US8333572 Pump |
| 12/18/2012 | US8333571 Pump having pulsation-reducing engagement surface |
| 12/12/2012 | CN102822525A Compressor |
| 12/11/2012 | US8328538 Balanced dual rocking piston pumps |