Patents
Sitemap › F04 - Positive-displacement machines for liquids; Pumps for liquids or elastic fluids › F04B - Positive-displacement machines for liquids; Pumps › F04B 1 - Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
Patents for F04B 1 - Multi-cylinder machines or pumps characterised by number or arrangement of cylinders (10,723)
12/2003
12/16/2003US6663358 Compressors for providing automatic capacity modulation and heat exchanging system including the same
12/16/2003US6663354 Hydrostatic axial piston machine with a control port, a cradle supported swashplate and a swashplate actuating piston
12/16/2003US6662784 Pump assembly, valve and method
12/16/2003US6662709 Hollow piston for a piston engine and method for producing a hollow piston
12/16/2003US6662707 Axial piston engine
12/16/2003US6662558 Variable delivery control arrangement for a pump
12/11/2003US20030228230 Fuel injection pump
12/11/2003US20030226876 Method of making closed cavity pistons
12/10/2003EP1368880A1 Improvements in electric motor driven hydraulic pumps
12/10/2003EP1368571A1 Bearing of a machine part
12/10/2003CN1461381A High-pressure fuel pump for fuel system of direct injection internal combustion engine, fuel system and internal combustion engine
12/09/2003US6659744 Rotary two axis expansible chamber pump with pivotal link
12/09/2003US6659734 High-pressure pump with improved sealing
12/09/2003US6659729 Screw compressor equipment for accommodating low compression ratio and pressure variation and the operation method thereof
12/04/2003WO2003100255A1 Rotor machine
12/04/2003WO2003100252A1 A pump unit for emulsifying air into a product in particular for ice cream production
12/04/2003US20030221551 Hydraulic device as a pump or a motor
12/04/2003US20030221550 Hydraulic device
12/04/2003US20030221549 Water-hydraulic machine
12/03/2003EP1367220A1 Rotary hydraulic machine
12/03/2003EP1367219A1 Rotary hydraulic machine
12/03/2003EP1367218A1 Expansion machine
12/03/2003EP1366276A1 Rotary crank-rod mechanism
12/02/2003US6655933 CAM operated fuel pump with split function follower springs
12/02/2003US6655927 Radial piston pump with piston arrangement for controlling inlet/exit flow
12/02/2003US6655255 Swashplate arrangement for an axial piston pump
11/2003
11/26/2003CN1459004A Arrangement at piston engine and method of controlling the pistons
11/26/2003CN1128928C Rotor-type piston pump
11/25/2003US6652244 Radial piston machine
11/20/2003WO2003095839A1 Radial piston pump for a fuel injection system having improved high-pressure resistance
11/20/2003WO2003095831A1 Regulating device for hydrostatic piston machines
11/20/2003US20030215336 Multi-stage screw compressor unit accommodating high suction pressure and pressure fluctuations and method of operation thereof
11/19/2003EP1362187A1 Piston pump
11/19/2003EP0853726B1 Twin pump with a charging pump
11/18/2003US6648608 High pressure fuel pump
11/18/2003US6648605 Pump utilizing dissimilar materials to compensate for temperature change
11/13/2003WO2003093646A1 Radial piston pump
11/13/2003WO2003064857A3 Variable capacity compressor and heat exchanging system
11/12/2003EP1361357A2 Fuel pump, in particular for an internal combustion engine with direct injection
11/12/2003EP1360439A1 A method and a device for supplying fuel to a combustion chamber
11/12/2003EP1360305A2 A process for the fermentative preparation of d-pantothenic acid and/or its salts
11/12/2003EP1206640B1 Axial-piston drive system with a continuously adjustable piston stroke
11/12/2003CN1455845A 蓄压式分配型燃料喷射泵 Pressure accumulating distribution type fuel injection pump
11/12/2003CN1455119A Hydraulic transformer
11/12/2003CN1127618C Variable displacement compressor and method for controlling same
11/11/2003US6644287 High pressure fuel supply apparatus
11/11/2003US6644277 High pressure pump and engine system using the same
11/11/2003US6644170 Double spline hydraulic pump
11/06/2003WO2003091571A1 Circumferential piston machines
11/06/2003US20030206814 Fuel tank mounted, motorized high pressure gasoline pump
11/06/2003US20030206811 Variable displacement positive displacement pump
11/06/2003US20030206805 Variable speed hydraulic pump
11/05/2003CN1453475A Cylinder device and closed compressor with the same cylinder device
11/05/2003CN1453472A Axial-flow radial plunger pump with floating bush sleeve
11/04/2003US6641766 Positive displacement extrusion of viscous material
11/04/2003US6641232 Piston pump for brake system with piston pump
11/04/2003US6641140 Apparatus for retaining lubrication oil at sliding surface of shaft seal device disposed within oil chamber of submersible pump
11/04/2003US6640687 Control system for hydrostatic pump
10/2003
10/30/2003US20030202892 Positive displacement pump
10/30/2003DE10239943C1 Pump for high-pressure cleaning device has reciprocating piston provided with peripheral channel between high-pressure seal and oil seal
10/30/2003DE10212136C1 Spülventil Flush valve
10/29/2003EP1356208A1 Pump system comprising a hydraulic pump, particularly for a steering system
10/29/2003EP1183466B1 Improved high pressure pump
10/29/2003EP1107896B1 Motor-pump assembly
10/28/2003US6639328 Microturbine/capacitor power distribution system
10/28/2003US6638034 Pumping set for an ABS/ASR/VSC brake system
10/28/2003US6638025 Method and apparatus for controlling a fluid actuated system
10/28/2003US6637313 Rotary pump
10/23/2003WO2003087575A1 Hydrotransformer
10/23/2003US20030198565 Cylinder assembly and hermetic compressor having the same
10/22/2003EP1355068A1 Device for dividing or uniting a supply of fluid
10/21/2003US6634173 Hydraulic rescue system
10/16/2003WO2003085259A1 Variable stroke/clearance mechanism
10/15/2003EP1353071A2 Fuel pump with capacity control
10/15/2003EP1353067A1 Motor pump unit
10/15/2003EP0950149B1 Radial piston pump for high pressure fuel supply
10/15/2003EP0804686B1 Piston pump
10/09/2003US20030188909 Pump unit and working vehicle
10/08/2003EP1350421A1 Pump unit and working vehicle
10/08/2003EP1350011A1 Hydraulic device
10/08/2003EP1350010A1 Hydraulic device as a pump or a motor
10/08/2003EP1185791B1 Pump aggregate for an abs/asc/vsc braking system
10/07/2003US6629828 Thermal expansion inlet connection for a high pressure pump
10/07/2003US6629822 Internally supercharged axial piston pump
10/01/2003EP1198325B1 Hollow piston for a piston engine and method for producing a hollow piston
10/01/2003EP0958453B1 Piston pump
10/01/2003EP0925447B1 Radial piston pump for high pressure fuel supply
09/2003
09/30/2003US6626647 Radial piston pump
09/30/2003US6626148 Fuel pump
09/30/2003US6626054 Swashplate design
09/25/2003WO2003078840A1 Flush valve
09/25/2003WO2003078822A1 Pump components and method
09/25/2003US20030180170 Reverse-running pump
09/25/2003US20030180166 Cruciform pump
09/25/2003US20030180159 Piston pump
09/25/2003US20030180158 Hold-down cylinder for axial piston hydraulic pump
09/25/2003US20030180157 Lift off cylinder for axial piston hydraulic pump
09/25/2003US20030180148 Device for prevention of backward operation of scroll compressors
09/24/2003EP1347172A2 Piston pump
09/23/2003US6623247 Method and apparatus for controlling a variable displacement hydraulic pump
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