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)
11/1999
11/03/1999CN2346960Y 组合带轮 Combination pulley
11/03/1999CN2346959Y Water pump fast sucking device
11/03/1999CN2346958Y Jig frequency regulator of beam-pumping unit
10/1999
10/28/1999WO1999054625A1 Controlled porting for a pressure transformer
10/27/1999CN2345734Y Aerofluxus type cylinder head
10/27/1999CN2345733Y Noise-reduce device for compressor
10/27/1999CN2345726Y Micro-piston-type gas compressor
10/26/1999US5971727 High-pressure hydraulic pump with improved performance
10/26/1999US5971723 Dosing pump
10/26/1999US5971717 Axial piston machine having a cooling circuit for the cylinders and pistons
10/26/1999US5971715 Pneumatic pump having radial ball check valve array
10/26/1999US5970844 Cylinder sleeve assembly
10/20/1999EP0950815A2 Piston and diaphragm for a reciprocating pump
10/20/1999EP0950149A1 Radial piston pump for high pressure fuel supply
10/20/1999EP0823962B1 Vertically reciprocating pump
10/20/1999EP0819028B1 Airless paint sprayer outlet check valve
10/20/1999CN2344583Y Reciprocating compressor air-valve
10/19/1999US5967123 Fuel pump
10/14/1999DE19814506A1 Radialkolbenpumpe zur Kraftstoffhochdruckversorgung Radial piston pump for high pressure fuel supply
10/13/1999CN2343381Y Bottom pumping type vacuum water diversion device
10/12/1999US5964416 Device for producing high pressure in a fluid in miniature
10/12/1999CA2174929C Relief valve seat for positive displacement pump
10/07/1999WO1999050578A1 Packing seal assembly for a pump
10/07/1999WO1999050555A1 Radial piston pump for high-pressure fuel supply
10/07/1999DE19819972C1 Multiple cylinder high pressure pump
10/05/1999US5961305 For the administration of active compositions
10/05/1999US5960700 Replaceable mud pump piston seal
09/1999
09/30/1999WO1999049215A1 Pump unit
09/30/1999DE19813322A1 Motor-pump aggregate built out of electric motor and pump unit
09/30/1999DE19813302A1 Kolbenpumpe bzw. Bremsanlage mit Kolbenpumpe Piston pump and brake system with piston pump
09/30/1999DE19813301A1 Pumpeneinheit Pump unit
09/29/1999EP0945614A2 Piston pump for a vehicle brake system
09/29/1999CN2340944Y Air valve of compressor
09/29/1999CN2340943Y Anti-stealing head of long rod deep well pump
09/29/1999CN2340942Y Filler assembly of reciprocal air compressor
09/28/1999US5957674 Variable-discharge high pressure pump
09/23/1999WO1999047811A1 An apparatus for high pressure pumping or homogenizing liquids
09/23/1999DE19836257C1 Filter element for hydraulic circuit
09/23/1999DE19812043A1 Piston pump for vehicle brake system
09/22/1999EP0834013A4 Fuel pump and method of operating same
09/22/1999EP0769102B1 Booster pump
09/22/1999CN2339815Y Super-high-pressure plunger pump one-way valve
09/22/1999CN2339791Y 组合式泵头 Combined pump head
09/21/1999US5954487 Fuel pump control valve assembly
09/21/1999US5953980 Piston type compressors
09/15/1999EP0942171A2 Double diaphragm pump
09/15/1999EP0760905B1 Displacement pump of diaphragm type
09/15/1999CN2338512Y Energy-saving apparatus for water pump
09/15/1999CN1228511A Discharge valve assembly for compressor
09/14/1999US5950521 Swash-plate compressor capable of insuring sufficient lubrication between a piston and a shoe slidably interposed between the piston and a swash plate
09/14/1999CA2171028C Well water recirculation valve
09/09/1999DE19909323A1 Fluid feed component, especially for feeding fluid at flow rate of from few to several hundred micro-liters per second
09/09/1999DE19809592A1 Piston pump for motor vehicle's anti-blocking brake system
09/07/1999US5947702 High precision fluid pump with separating diaphragm and gaseous purging means on both sides of the diaphragm
09/07/1999US5947167 Dispensing assembly with interchangeable cartridge pumps
09/03/1999CA2264202A1 Reverse osmosis pump and shut off valve
09/01/1999CN2336114Y Automatic switch for pipeline pump
08/1999
08/31/1999US5944498 Pump
08/31/1999US5944495 For pumping fluids from a fluid source to a fluid sink
08/31/1999US5944493 Radial piston fluid machine
08/26/1999WO1999042725A2 Piston pump
08/26/1999WO1999042724A2 Oscillating spring valve fluid pumping system
08/26/1999DE19829124A1 Pressure valve for pneumatic or hydraulic vehicle brake lines
08/25/1999CN2334914Y Handle force decreasing mechanism for hand hydraulic pump
08/25/1999CN1226638A Sealed electric compressor
08/24/1999US5941533 Volumetric pump/valve sphincter seal
08/24/1999US5941159 Integral holdown pin mechanism for hydraulic power units
08/24/1999CA2012776C Reciprocating compressor
08/19/1999DE19903106A1 Fluid evacuation indicating device for fluid source
08/19/1999DE19837857A1 Filter for HP piston-type fuel pump of internal combustion engine with fuel injection
08/19/1999DE19834140A1 Hydraulic or pneumatic valve for use in vehicular brakes
08/19/1999DE19820136A1 Piston pump for hydraulic anti-slip braking systems
08/18/1999EP0935719A1 Non-return valve, especially for a piston pump
08/18/1999EP0935712A1 Piston pump
08/18/1999EP0935711A1 Valve cap for the reduction of the clearance volume in radial piston pumps for motor vehicle brake systems
08/18/1999EP0935710A1 Composite piston with integrated sealing element for a radial piston pump in an automobile brake system
08/17/1999US5938924 Filter
08/17/1999US5938416 Liquid transfer apparatus having a plunger pump and a diaphragm pump for cleaning the plunger during its reciprocating motion
08/17/1999US5937734 Reciprocating pump
08/12/1999WO1999040669A1 Electrical motor
08/12/1999WO1999040323A1 Pressure valve, especially for a piston pump
08/12/1999WO1999040319A1 Sliding device for a two-cylinder pump for liquids
08/12/1999DE19816289A1 Druckventil, insbesondere für eine Kolbenpumpe Pressure valve, particularly for a piston pump
08/12/1999DE19805101A1 Hydraulic system for vehicle braking
08/12/1999DE19805003A1 Elektromotor Electric motor
08/12/1999DE19804863A1 Schiebervorrichtung für eine Zweizylinder-Dickstoffpumpe A valve device for a two-cylinder slurry pump
08/12/1999DE19804417A1 Bearing design of cold energy gas machines
08/11/1999EP0934752A2 Volumetric infusion pump
08/11/1999EP0934123A1 Pump
08/11/1999CN1225421A Vertical Alternating pump with flat pistons
08/11/1999CN1225418A Angled flow ports for reciprocating piston pump
08/10/1999US5935095 External slot valve for controlling blood flow through the outlet of a shunt of a cardiopulmonary bypass pump
08/10/1999US5934885 Reagent pump assembly
08/10/1999US5934372 Pump system and method for pumping well fluids
08/10/1999US5934173 Reciprocating plunger pump
08/05/1999WO1999039099A1 Hydraulic motor lubrication path
08/05/1999DE19803585A1 Pump for viscous masses
08/04/1999EP0933524A2 High-pressure fuel supply pump
08/04/1999EP0932766A1 Piston pump
08/04/1999EP0932765A1 Piston pump
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