| Patents for F04B 1 - Multi-cylinder machines or pumps characterised by number or arrangement of cylinders (10,723) |
|---|
| 12/12/2001 | EP1162372A1 Liquid pressurizing device |
| 12/12/2001 | EP0891488B1 Axial piston machine with internal flushing cycle |
| 12/12/2001 | CN2464958Y Split ultrahigh pressure hand power oil pump |
| 12/12/2001 | CN1076081C 高压燃料供给泵 The high-pressure fuel supply pump |
| 12/11/2001 | US6328537 Radial piston pump |
| 12/11/2001 | US6328536 Reciprocating low pressure ratio compressor |
| 12/06/2001 | WO2001092709A2 Pump assembly and method |
| 12/06/2001 | WO2001040645A3 Internal combustion engine high-pressure fuel delivery valve |
| 12/06/2001 | US20010048884 Piston pump for a brake system for a vehicle |
| 12/06/2001 | US20010048880 Radial piston pump |
| 12/06/2001 | US20010048091 Electromagnetic valve |
| 12/06/2001 | DE10027425A1 Radial piston pump, e.g. lubricant pump in internal combustion engine, has connecting bore to eccentric drive element chamber in base of piston controlled by excess pressure valve |
| 12/06/2001 | DE10027424A1 Radialkolbenpumpe Radial piston pump |
| 12/06/2001 | DE10027138A1 Electrohydraulic control device e.g. for piston engine has pressure-medium channels connected to each other via openings in disk of rotary valve |
| 12/05/2001 | CN1324985A Piston-type compressor and assembling method thereof |
| 12/04/2001 | US6324959 Piston pump motor |
| 12/04/2001 | US6324913 Method for determining the operating speed, working pressure and pivot angle of an axial piston unit for a hydrostatic drive mechanism |
| 12/04/2001 | US6324843 Hydraulic-mechanical type continuously variable transmission for vehicle |
| 11/29/2001 | WO2001090576A1 Axial piston machine |
| 11/29/2001 | US20010045205 Pump apparatus for hydraulically powered fuel injection systems |
| 11/29/2001 | DE10025248A1 Hydraulic transformer has at least those channels leading to supply and working connections of housing opening at periphery of control part in approximately radial direction |
| 11/29/2001 | DE10023849A1 Kolbenmaschine mit in Führungsbuchsen einer Zylindertrommel verschiebbar gelagerten Kolben und Führungsbuchse für eine solche Kolbenmaschine Piston engine with slidably mounted in a cylinder barrel piston guide bushings and bushing for such a piston engine |
| 11/28/2001 | EP1157211A1 Axial piston engine |
| 11/28/2001 | EP1157210A1 Rotary power unit |
| 11/27/2001 | US6322328 Radial piston pump |
| 11/22/2001 | WO2001088392A2 Roller bearing, piston pump and pump unit |
| 11/22/2001 | WO2001051870B1 Hydraulic hybrid vehicle |
| 11/22/2001 | US20010042537 Modified lead injector |
| 11/22/2001 | US20010042437 Pump |
| 11/22/2001 | US20010042436 Zero leakage valveless positive fluid displacement device |
| 11/22/2001 | DE10023947A1 Anti-friction bearing for piston pump has bearing ring and anti-friction bodies; bearing ring has lateral protrusion with which it can be pressed into bearing seat |
| 11/21/2001 | EP1156212A2 Piston machine with cylinder sleeves for the reciprocating pistons |
| 11/21/2001 | EP1155238A1 Hydraulic pump unit |
| 11/21/2001 | EP0805922B1 Aircraft hydraulic pump control system |
| 11/20/2001 | US6318979 Piston pump |
| 11/20/2001 | US6318242 Filled hydraulic piston and method of making the same |
| 11/20/2001 | US6318241 Piston for a hydrostatic cylinder block |
| 11/20/2001 | US6318238 Wobbling drive of an axial piston machine |
| 11/15/2001 | DE10022811A1 Check valve for reciprocating pump for vehicle brake unit; is made in one piece and has coil spring with connection element and foot ring arranged at each end formed as one piece with spring |
| 11/15/2001 | DE10022593A1 Control unit for hydraulic displacement unit, has planetary gear connected to electric stepping motor and positioner block on input side and to hydraulic valve on output side |
| 11/15/2001 | DE10021485A1 Hydrostatische Maschine Hydrostatic machine |
| 11/14/2001 | EP0906511B1 Pump, especially high pressure pump for use in a fuel injector of an internal combustion engine |
| 11/13/2001 | US6314864 Closed cavity piston for hydrostatic units |
| 11/08/2001 | WO2001083988A1 Hydrostatic machine |
| 11/08/2001 | WO2000001948A3 Radial piston pump |
| 11/08/2001 | EP1144866A3 Radial piston pump |
| 11/06/2001 | US6312231 Axial piston pump with oblique disk |
| 11/06/2001 | US6311607 Device for altering the displacement volume of a hydrostatic machine |
| 11/01/2001 | WO2001081727A1 Piston assembly for a radial piston hydraulic motor |
| 11/01/2001 | US20010036412 Variable displacement pump |
| 10/31/2001 | CN1319475A Hydraulic piston having enclosed cavity and method for making the same |
| 10/25/2001 | WO2001079697A2 Variable speed hydraulic pump |
| 10/25/2001 | WO2001079687A1 High-pressure pump |
| 10/25/2001 | WO2001079686A1 High-pressure pump and assembly structure of high-pressure pump |
| 10/25/2001 | US20010032618 Pilot operated throttling valve for constant flow pump |
| 10/25/2001 | DE10024416C1 Axial piston machine, especially compressor, has axial piston guided in cylinder block and having swashplate mechanism with rotating captive C-washer and holder element with projection |
| 10/25/2001 | DE10019403A1 Check valve for piston pump has holding component for valve shut-off element and is movably connected to it and formed in one piece with it |
| 10/25/2001 | DE10019036A1 Double-headed elbow piston for axial piston engines has one cylindrical head and one spherical head |
| 10/25/2001 | DE10017780A1 Axial piston engine; has pistons moving in piston recess in cylinder drum and having channel extending between end face and lateral opening and from opening to pressure line |
| 10/24/2001 | EP1147331A1 Spool valve for fluid control |
| 10/24/2001 | EP1147314A1 High-pressure hydraulic fuel pump |
| 10/24/2001 | EP1147313A1 Valve system for controlling the fuel intake pressure in a high-pressure pump |
| 10/18/2001 | WO2001077529A2 Method for reducing noise and cavitation in machines and pressure exchangers which pressurize or depressurize fluids by means of the displacement principle |
| 10/18/2001 | WO2001077495A1 Radial piston engine |
| 10/18/2001 | DE10033264A1 Radialkolbenmaschine Radial piston engine |
| 10/18/2001 | DE10016895A1 Hydraulic block has piston movable in relation to wall of bore hydraulic block, and cover closing off accumulator is inseparably connected to hydraulic block, preferably by caulking or clinching |
| 10/17/2001 | EP1144866A2 Radial piston pump |
| 10/16/2001 | US6302663 Piston pump |
| 10/16/2001 | US6302659 Multi-chamber positive displacement pump |
| 10/11/2001 | DE19949169C2 Verstellvorrichtung Adjustment |
| 10/11/2001 | DE10017114A1 Pump piston with spring plate for high pressure fuel pump spring plate is of thin-walled light-weight deep-drawn or extruded material and connected to piston by welding or clamping etc. |
| 10/11/2001 | DE10016955A1 Hydraulic transformer with several impellers has setting-device drive mechanism connected to control element by toothed belt |
| 10/11/2001 | DE10016954A1 Hydro-transformer, has multiple displacement units driven across rotor and control element for controlling pressure medium supply and outlet and relative position of which is changeable |
| 10/11/2001 | DE10015139A1 Motorpumpenaggregat Motor pump unit |
| 10/10/2001 | EP1141550A1 High-pressure cleaner |
| 10/10/2001 | CN1316600A Piston for hydraulic cylinder |
| 10/10/2001 | CN1316594A Piston for hydraulic cylinder |
| 10/04/2001 | WO2001073295A1 Motor-pump unit |
| 10/04/2001 | EP1138875A2 Process for manufacturing a ball joint |
| 10/04/2001 | EP1138874A2 Process for manufacturing a ball joint |
| 10/04/2001 | EP1137882A1 Low pressure ratio piston compressor |
| 10/04/2001 | EP1137881A2 Hydrostatic thrust bearing for a wobble plate pump |
| 10/04/2001 | EP0796394B1 Radial piston engine |
| 10/04/2001 | DE10115263A1 Hydraulic piston for cylinder block of hydrostatic drive unit has long cylindrical body inside of which is cavity with second end which is open and ends inside plane running through second end of body |
| 10/04/2001 | DE10109596A1 Piston for cylinder block of hydrostatic engine unit has cylindrical body with central bore into which insert with spherical end fits, body and insert being welded together and made by die casting from different materials |
| 10/04/2001 | DE10028368A1 Radial piston pump has several pump components in pump housing arranged in star formation around eccentric shaft and for which inlet and outlet valves are provided for medium to be pumped |
| 10/04/2001 | DE10016517A1 Connector unit for joining a drive motor to a hydraulic machine comprises a cup like housing and vibration damping elements including at least one axial element which supports the machine in the axial direction |
| 10/02/2001 | US6296455 Pump enable system and method |
| 09/27/2001 | WO2001070550A2 Piston pump |
| 09/27/2001 | DE10013858A1 Piston pump with valve assembly unit has one end of spring on valve seat carrier and other attached to piston |
| 09/27/2001 | DE10012306A1 Distribution fuel injection pump has distributor shaft with lubricant groove in its external surface extending axially |
| 09/27/2001 | DE10010945A1 Feed pump, for fuel injection and hydraulic valve control systems, has primary and secondary pump elements with associated low and high pressure zones |
| 09/25/2001 | US6293185 Piston for a hydrostatic cylinder block |
| 09/20/2001 | US20010022171 Pump for supplying a fuel injection system and for supplying a hydraulic valve controller for internal combustion engines |
| 09/20/2001 | DE10109598A1 Piston for cylinder block of hydrostatic motor unit and has elongated cylindrical body with central bore in which is insert having first end terminating in spherical surface |
| 09/20/2001 | DE10013269A1 Radial piston pump for delivery of pressure medium has piston guided in running bush inserted in pump housing with at least one valve connected in area of running bush in pressure medium flow path |
| 09/20/2001 | DE10001826C1 Vorrichtung zum Regeln der Leistung einer verstellbaren Kolbenmaschine An apparatus for controlling power of an adjustable piston machine |
| 09/19/2001 | EP1133640A1 Rotary pump |
| 09/19/2001 | CN2448943Y Multi-function high-pressure reciprocative pump |
| 09/18/2001 | US6289875 Fuel injection pump |