Patents
Sitemap › F04 - Positive-displacement machines for liquids; Pumps for liquids or elastic fluids › F04B - Positive-displacement machines for liquids; Pumps › F04B 53 - Component parts, details or accessories not provided for in, or of interest apart from, groups or
Patents for F04B 53 - Component parts, details or accessories not provided for in, or of interest apart from, groups or (19,443)
08/1998
08/04/1998US5788469 Piston type liquid fuel pump with an improved outlet valve
08/04/1998US5788468 Microfabricated fluidic devices
08/04/1998US5788465 Tool-less pump head configuration
08/04/1998CA2123688C Double acting simplex plunger pump
07/1998
07/29/1998EP0855549A1 Single-acting manual pump for a lubrication line, with deformable valve element
07/29/1998EP0855507A2 Volumetric pump with bi-directional sphincter seal apparatus and method
07/29/1998EP0854685A1 Rear entry stepped pump
07/28/1998US5785508 Pump with reduced clamping pressure effect on flap valve
07/28/1998US5785150 Swash plate type axial piston pump including lubrication mechanism, and valve plate
07/23/1998WO1998031936A1 Reciprocating compressor
07/23/1998DE19755678A1 Pump device
07/23/1998DE19721823A1 Gravel pump
07/23/1998DE19721814A1 Gravel pump with tubular pump body having top and bottom cylinders formed by piston
07/22/1998EP0853727A2 Electric motor-pump assembly
07/22/1998EP0853501A1 Device of miniaturised construction for producing high pressure in a fluid to be atomised
07/22/1998EP0792427B1 High pressure abrasive slurry check valve
07/22/1998EP0734494B1 Reciprocating pump for pumping hydraulic fluid
07/22/1998EP0690959B1 Pump
07/16/1998WO1998030785A1 Piston assembled from a metal and a ceramic part
07/16/1998DE19733911C1 Hydrostatic motor with fluid circulation in housing
07/15/1998EP0689619A4 Apparatus and method for delivering reagents in vapor form to a cvd reactor
07/15/1998CN2286248Y Unloader for air compressor
07/14/1998US5778759 For connection to a crosshead extension and a piston in a pump
07/08/1998CN2285836Y Spring energy storage device for pump well
07/08/1998CN2285835Y Electric leakage alarm water pump
07/08/1998CN1186913A Compressor for use in refrigeration system
07/07/1998US5775884 Modular pump assembly
07/07/1998US5775880 Valve disabler for use in high pressure pipe cleaning systems
07/02/1998WO1998028541A1 Pump, in particular for an hydraulic wheel-slip brake control system
07/02/1998WO1998028540A2 Pump system
07/01/1998EP0850359A1 Fuel pump
07/01/1998CN2285380Y Water-separating valve flap for submerged pump
07/01/1998CN2285379Y Distributing valve for concrete pump
07/01/1998CN2285378Y Small water-pumping well digging device
07/01/1998CN1186172A Connection rod of hermetically sealed compressor
06/1998
06/25/1998DE19653895A1 Pumpe, insbesondere für eine hydraulische Bremsschlupfregelanlage Pump, especially for a hydraulic antilock braking system
06/25/1998DE19652831A1 Pressurised fluid feed system for high pressure common rail systems
06/24/1998EP0849470A2 Swash-plate compressor capable of insuring sufficient lubrication between a piston and a shoe slidably interposed between the piston and a swash plate
06/24/1998CN1185536A Exhausting device for air transfusion tube of air compressor
06/23/1998US5769616 Submerged pump with coaxial opposing pistons, driven by double lobed camshaft
06/23/1998US5769614 High pressure pump
06/23/1998US5769608 Method for conveying a deliverable liquid from one location to another
06/20/1998CA2225112A1 Combination sight glass and sump oil level sensor for a refrigeration compressor
06/18/1998WO1998026179A1 Microejection pump
06/18/1998WO1998025683A1 Filter device with a bypass valve, especially for fuel from a fuel tank
06/18/1998DE19651664A1 Vorrichtung zum Fördern von Flüssigkeit Device for conveying liquid
06/17/1998EP0729548B1 Hydraulic pump
06/17/1998CN1184893A Piston type compressors and pistons
06/16/1998US5765639 From an oil bearing formation penetrated by a well
06/10/1998EP0846228A1 Fuel supply pump for a fuel injection pump for internal combustion engines
06/10/1998DE19650246A1 High-pressure fuel pump housed on engine wall
06/10/1998CN2283742Y Filtering noise silencer for air compressor
06/10/1998CN1184209A Oil pickup apparatus for hermetic compressor
06/09/1998US5762795 Dual stage pump and filter system with control valve between pump stages
06/03/1998CN1183828A Vertically reciprocating pump
06/02/1998US5759014 Micropump
06/02/1998US5758746 Pump lubrication expansion tube
06/02/1998US5758666 Reciprocating pump with imperforate piston
05/1998
05/28/1998WO1998022167A1 Apparatus for pumping fluid at a steady flow rate
05/28/1998DE19648408A1 Piston pump for supplying anti-lock braking system for vehicles
05/27/1998EP0844395A2 Bidirectional micropump
05/27/1998EP0843786A1 A pumping apparatus including a quick connect interface
05/27/1998EP0843785A1 High-pressure liquid pump and flow control valve
05/26/1998US5755559 Apparatus and method for pumping supercritical fluid and measuring flow thereof
05/20/1998DE19645886A1 Fastening screw, e.g. for pump attached to engine housing
05/20/1998DE19645642C1 Spray for teeth and gums, to kill bacteria and clean or treat gums
05/19/1998US5752814 Plunger and seal for well pump
05/15/1998CA2221071A1 Filter for a downhole pump
05/14/1998WO1998019796A1 Pump
05/14/1998WO1997047884A3 Apparatus for providing pressurized liquid to a device, high speed flood cooled motor/generator therefor
05/13/1998EP0840856A1 Pistom pump
05/13/1998EP0840853A1 Packingless pump and liquid spray system
05/13/1998CN2281430Y Rope suspensor of hood
05/13/1998CN2281429Y Exhaust
05/07/1998DE19644362A1 Method for locally variable use of double-diaphragm pump
05/06/1998EP0840010A2 Plunger pump
05/06/1998EP0757587A4 Mixing apparatus for microflow gradient pumping
05/06/1998EP0680345A4 Infinitely variable pneumatic pulsatile pump.
05/06/1998CN2280783Y Easy-to-dismount fan shaft structure
05/05/1998US5746509 Hydrostatic-mechanical gear for driving a mixing drum
05/05/1998US5746111 Piston pump in a brake system
05/05/1998CA2189625A1 Refrigerating compressor oil cooling probe device
04/1998
04/29/1998EP0837988A1 Dosing pump
04/28/1998US5743336 Method for installing well tubing and an insert pump in a down-hole well
04/23/1998WO1998016742A1 Modular piston rod assembly with integrated high-wear components
04/23/1998WO1998016740A1 Compressor piston with several magnetized segments glued on the radial surface
04/23/1998DE19637419C1 Hydropumpe und Hydromotor Hydraulic pump and hydraulic motor
04/22/1998EP0836824A2 Method of evacuation
04/22/1998EP0836492A1 Volumetric infusion pump
04/22/1998CN1179737A Airless paint sprayer outlet check valve
04/22/1998CN1179511A Filling method for sealing fixing of pumps
04/21/1998US5740718 Modular piston rod assembly with integrated high-wear components
04/16/1998DE19638722C1 Double diaphragm pump for solvents, acids, alkaline solutions
04/15/1998EP0836006A2 Piston pump
04/15/1998EP0836005A1 Reclamation system for a hydraulic pump system
04/15/1998CN2278783Y Non-impact low-noise adjustable creep pump
04/15/1998CN1178863A Diaphragm fuel pump
04/14/1998US5738502 Valve keeper for a valve of a reciprocating compressor
04/14/1998US5738498 Apparatus and method for thermoelectric cooling of an extraction fluid pump
04/14/1998US5737996 Hydraulic axial piston machine
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