Patents
Patents for F04B 27 - Multi-cylinder pumpsspecially adapted for elastic fluids and characterised by number or arrangement of cylinders (7,781)
02/2001
02/28/2001EP1078792A1 Displacement control method and apparatus for variable displacement compressor
02/28/2001CN1285469A Method for forming coating on parts of compressor
02/27/2001US6192784 Swash plate compressor
02/27/2001US6192699 Variable capacity compressor
02/22/2001WO2001012989A1 Axial-piston drive system with a continuously adjustable piston stroke
02/22/2001WO2001012988A1 Axial piston drive mechanism with a continuously adjustable piston stroke
02/22/2001DE10017704A1 Druckpulsationsdämpfungsvorrichtung für einen Verdichter Druckpulsationsdämpfungsvorrichtung for a compressor
02/20/2001US6189434 Single-headed piston type swash-plate-operated compressor and a method of producing a swash plate
02/20/2001CA2210265C Piston for compressors
02/15/2001WO2001011237A1 Piston assembly
02/15/2001WO2001011214A1 Piston engine balancing
02/14/2001EP1075974A2 Control device for variable displacement compressor
02/14/2001CN1283746A Clutchless volume variable compressor
02/14/2001CN1283745A Fixed discharge single rotary oblique disk refrigeriting compressor
02/14/2001CN1283744A Fixed discharge single rotary oblique disk refrigeriting compressor
02/14/2001CN1283743A Volume variable compressor
02/13/2001US6186514 Gasket for sealing a refrigerant compressor
02/13/2001US6186048 Variable displacement compressor
02/07/2001EP1074800A2 Control valve and method for controlling an air-conditioning system
02/07/2001EP1074738A2 Clutchless variable-capacity type compressor
02/07/2001EP1074737A2 Lubrication layer of piston seat of a swash-plate refrigerant compressor
02/07/2001EP1074736A2 Piston of a swash plate compressor
02/07/2001CN1282860A Air conditioner and control process of variable capacitance compressor
02/06/2001CA2315272A1 Method for forming spherical concave surfaces
02/01/2001WO2001007786A1 Method for forming film on machine part
02/01/2001DE4447648C2 Reciprocating piston compressor for cooling gas
01/2001
01/31/2001EP1072793A2 Compressor casing structure for damping pressure pulsations
01/31/2001EP1072792A2 Swash plate compressor
01/30/2001US6179578 Compressor with oil separating structure
01/30/2001US6179576 Reciprocating compressor
01/30/2001US6179572 Displacement control valve mechanism of variable displacement compressor and compressor using such a mechanism
01/30/2001US6179571 Swash plate type compressor
01/25/2001WO2001006124A1 Variable displacement swash plate type compressor
01/24/2001EP1070846A2 Displacement control device for variable displacement compressor
01/24/2001EP1070845A1 Crank pressure control mechanism of variable displacement compressor
01/24/2001CN2416265Y Cylindrical and end supply oil multistage and stageless regulating speed hydraulic motor or hydraulic variable pump
01/24/2001CN1280922A Low type gas cooled air compressor and post-cooler
01/18/2001WO2001004492A1 Swash plate of swash plate type compressor
01/18/2001DE10031679A1 Two-sided piston compressor, with limiting wall in each casing and ejection chamber
01/17/2001EP1069358A2 Solenoid valve
01/17/2001EP1068452A1 Swash plate with cobalt-tin alloy coating
01/16/2001US6174147 Refrigerant compressor with an improved discharge valve assembly
01/16/2001US6174140 Oil recovery device for compressors
01/14/2001CA2312231A1 Low profile air cooled air compressor and aftercooler
01/11/2001WO2001002726A1 Control valve for variable displacement compressor
01/11/2001WO2001002725A1 Two-stage compressor with torque reducing crankshaft
01/10/2001EP1067288A2 Thrust bearing for the swash plate of a compressor
01/10/2001EP1067287A1 Swash plate type variable displacement compressor
01/10/2001EP1066997A2 Air conditioning apparatus and control procedure for variable displacement compressor
01/10/2001CN1279351A Twin piston compressor
01/04/2001WO2001000992A1 Variable-capacity control for refrigerating cycle
01/03/2001EP1065375A2 Crankcase pressure control for swash plate compressor
01/02/2001US6168389 Swash plate type compressor in which improvement is made about a shoe interposed between a swash plate and a piston
12/2000
12/26/2000US6164929 Refrigerant compressor with cooling means
12/26/2000US6164926 Variable displacement compressor
12/26/2000US6164925 Control valve for variable displacement compressors
12/26/2000US6164252 Reciprocating piston engine with a swivel disk gear
12/20/2000EP1061257A1 Regulating valve for variable displacement swash plate compressor and its assembly method
12/20/2000EP1061256A2 Piston for swash plate compressor with head and rod connected by sliding surface
12/20/2000EP1061255A2 Piston for a swash plate compressor with hollow head
12/20/2000EP1061248A2 Piston installing method and positioning jig
12/20/2000CN1277663A Bellows type pressure responding valve
12/19/2000US6162030 Zero leakage valveless positive fluid displacement device
12/19/2000US6162026 Variable displacement type compressor
12/19/2000US6162025 Variable displacement swash plate type compressor
12/14/2000DE10018008A1 Refrigerant compressor for air conditioner in vehicle, has muffler chamber provided in rear portion of discharge chamber and connected to discharge port via hole provided in muffler chamber
12/13/2000EP1059446A2 Variable capacity type compressor with check valve
12/13/2000EP1059445A2 Variable capacity type compressor with check valve
12/13/2000EP1059444A2 Variable capacity compressor with check valve with damper
12/13/2000EP1059443A2 Displacement control valve
12/13/2000CN1276495A Variable displacement compressor with one-way valve
12/13/2000CN1276494A Variable displacement compressor with one-way valve
12/13/2000CN1276493A Variable displacement compressor with check valve
12/12/2000US6158974 Reciprocating compressor
12/12/2000US6158970 Variable displacement compressor
12/12/2000US6158968 Fluid displacement apparatus with variable displacement mechanism
12/12/2000US6158325 Swash plate type variable displacement compressor
12/07/2000WO2000073657A1 Compressor
12/07/2000DE19924093A1 Compressor esp. for air conditioning system of motor vehicle with compressor unit arranged in housing for sucking and compressing refrigerant with suction and outlet sections arranged in housing cover which is connected with housing across
12/07/2000DE10014081A1 Fluidverdrängungsgerät Fluid displacement apparatus
12/06/2000EP1058004A2 Manufacturing of a swash plate compressor piston
12/06/2000CN1275679A Blank for making single head pison and productive method thereof
11/2000
11/29/2000EP1055818A2 Compressor having concentrically walled damper
11/29/2000EP1055817A2 Swash plate type compressor wherein piston head has inner sliding portion for reducing local wear
11/29/2000EP1055070A1 Low noise high performance vacuum pump
11/28/2000US6151914 Method and apparatus for producing super clean air
11/28/2000CA2199236C A reciprocating piston variable display displacement type compressor improved to distribute lubricating oil sufficiently
11/23/2000WO2000070227A1 A combination of a chamber and a piston, a pump, a motor, a shock absorber and a transducer incorporating the combination
11/22/2000EP1054157A2 Structure of suction valve of piston type compressor
11/22/2000EP1054156A2 Stop for limiting inclination of a swash plate
11/21/2000US6149401 Variable discharge-amount compressor for refrigerant cycle
11/21/2000US6149398 Variable capacity piston- operated refrigerant compressor with an oil separating means
11/21/2000US6149397 Pressure pulsations reducing compressor
11/21/2000US6148716 Low noise high efficiency positive displacement pump
11/21/2000US6148632 Refrigeration cycle apparatus
11/15/2000EP1052406A2 Control valve for variable displacement compressor
11/15/2000EP1052405A2 Control valve for variable displacement compressor
11/15/2000EP1052404A2 Hinge mechanism for variable displacement compressors
11/15/2000EP1052403A2 Bearing for swash plate compressor
11/15/2000EP1052124A2 Method for controlling a refrigerating cycle and a refrigerating cycle
1 ... 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 ... 78