Patents
Patents for F04B 53 - Component parts, details or accessories not provided for in, or of interest apart from, groups or (19,443)
08/1997
08/07/1997WO1997028371A1 Piston pump for the metered delivery of free-flowing media
08/07/1997WO1997027741A1 A device for dosing pesticides or plant nutrients to agricultural sprayers
08/06/1997EP0739451B1 Micropump
08/06/1997CN2258923Y Cylinder jacket having internal surface with metalloceramics coating for mud pump
08/05/1997US5653885 Apparatus and method for supercritical fluid extraction
08/05/1997US5653876 High pressure pump for fine liquid metering
08/05/1997US5653584 Motor/pump mounting arrangement for a vertically mounting high pressure water pump
08/05/1997US5653583 Oil hydraulic pump
07/1997
07/30/1997CN1155923A 活塞泵 Piston pump
07/22/1997US5649812 For a pump and an electric motor assembly
07/17/1997DE19600641A1 Venting pump for fire extinguishing centrifugal pump
07/15/1997US5647737 Reciprocating pump with simplified seal replacement
07/15/1997US5647575 Volumetric shaft/valve
07/10/1997WO1997024528A2 Multichannel microdosing apparatus
07/09/1997EP0783077A1 Diaphragm vacuum pump and cylinder head for a diaphragm vacuum pump
07/09/1997CN2257572Y Mixed water type explosion-proof compressor back cooling apparatus
07/08/1997US5645406 Transmission assembly with positive-displacement pump with suction throttle driven by a hydrodynamic converter
07/08/1997US5645114 Dispensing assembly with interchangeable cartridge pumps
07/03/1997DE19548498A1 High-pressure cleaning device
07/02/1997EP0781376A1 Pressure vessel with air bubble ejection system
07/02/1997CN2257333Y Compressor of refrigerator
07/01/1997US5642990 Downhole pump apparatus
07/01/1997US5642987 Method for pumping a liquefied gas
06/1997
06/26/1997WO1997022805A1 Low noise hydraulic pump with check valve timing device
06/25/1997CN2256948Y Air inlet-exhaust valve for medium-pressure air compressor
06/25/1997CN2256947Y Energy-saver for fluid pump
06/19/1997DE19651724A1 Injection moulding of piston for car brake hydraulic master cylinder in glass reinforced plastic
06/18/1997CN2256474Y Floating type connector
06/18/1997CN1035209C Connector for an injection pump
06/17/1997US5639219 Airless paint sprayer intake dampener and inlet valve spring
06/11/1997CN2256043Y Long service life oil sucking pump with ceramic inlaid cylinder body
06/11/1997CN1151481A Wobble plate pump
06/10/1997US5636975 Inlet and discharge valve arrangement for a high pressure pump
06/10/1997US5636688 Self aligning stuffing box for pumpjack units
06/05/1997WO1997019716A1 Liquid drug infusion pump
06/04/1997EP0630444B1 A pump and diaphragm
06/03/1997US5635070 Pumping speed controlled and volume pumped determined from pressure-related signal in feedback circuit
06/03/1997US5634780 Hand pump of a drinking device for pumping water to a diver
06/03/1997US5634777 Radial piston fluid machine and/or adjustable rotor
06/03/1997US5634776 Low noise hydraulic pump with check valve timing device
05/1997
05/29/1997WO1997019267A1 Connecting pin clip
05/28/1997EP0775091A1 Biocide filter
05/28/1997DE19543780A1 Radial piston pump for oil
05/28/1997CN2254961Y Automatic protection valve for returned oil from vacuum pump
05/28/1997CN1150620A Cast drilling pump output prepressing shock absorber
05/28/1997CN1150619A 活塞式压缩机 Piston compressor
05/27/1997US5632607 Piston and valve arrangement for a wobble plate type pump
05/27/1997US5632606 For pumping fluids from a fluid source to a fluid sink
05/27/1997US5632605 Multistage vacuum pump
05/21/1997EP0774074A1 Disposable plastic liquid pump
05/20/1997US5630711 Peristaltic pump having a loop-shaped tube path
05/20/1997US5630708 Radial piston pump for low-viscosity fuel
05/20/1997US5630706 Multichannel pump apparatus with microflow rate capability
05/14/1997EP0772740A1 Piston pump
05/14/1997CN1149671A Closed compressor
05/13/1997US5628625 High pressure fluid pump for use in vehicular braking system having anti-lock and traction assist feature
05/13/1997US5628624 Pump barrel valve assembly including seal/actuator element
05/09/1997WO1997016643A2 Piston pump
05/09/1997WO1997013067A3 Electric motor-pump assembly
05/06/1997US5626467 Modular pump
05/06/1997US5626464 Wobble plate pump
05/02/1997EP0770778A2 Quick-change fluid section for piston-type paint pumps
05/01/1997WO1997015335A1 Self-priming pulsed lavage pump
04/1997
04/30/1997DE19618539A1 Swashplate-type plunger pump
04/30/1997DE19618524A1 High speed swash plate pump having axial pistons in rotating, sliding cylinder block with numerous sliding surfaces
04/29/1997US5624238 Portable water pump for use with swimming pools
04/24/1997DE19643134A1 Fuel injection pump for internal combustion engine
04/23/1997EP0769102A1 Booster pump
04/22/1997US5622484 Valve arrangement for a condiment dispensing system
04/22/1997US5622482 Pump using shape memory alloys
04/22/1997US5622480 Suction set retainer
04/17/1997WO1997013439A1 Rear entry stepped pump
04/16/1997EP0768463A1 Dosing pump
04/16/1997EP0767864A1 Axial piston engine with a cooling circuit for the cylinders and pistons
04/15/1997US5620314 Hand-operated liquid pump with removable parts
04/15/1997US5620311 Piston pump having a pump casing to which a pump motor is attached
04/15/1997US5620023 Exhaust-control valve for an electromagnetic pump
04/10/1997WO1997013067A2 Electric motor-pump assembly
04/10/1997WO1997012687A1 Device of miniaturised construction for producing high pressure in a fluid to be atomised
04/10/1997DE19536902A1 Vorrichtung zur Hochdruckerzeugung in einem Fluid in Miniaturausführung Apparatus for generating high pressure in a fluid in miniature design
04/08/1997US5618169 Water well pump cylinder components
04/08/1997US5618163 Volumetric pump shift bottoming detector
04/08/1997US5617773 Corrosion and abrasion resistant sleeve, iron shell, metallurgical bond between shell and sleeve
04/03/1997DE19536696A1 Elektromotor-Pumpen-Aggregat Electric motor-pump assembly
04/03/1997DE19536491A1 Electrically-operated gas or fluid feed valveless pump
04/02/1997CN1146793A Variable displacement piston machine for reducing noise and vibration by reducing pulsation of discharge fluid
04/02/1997CN1146533A Noise-reducing device for linear compressor
04/01/1997US5616012 Ammonia pump
04/01/1997US5616009 Mud pump
03/1997
03/26/1997CN2250436Y Fixing structure for sensitive device of water pump safety protection
03/25/1997US5613840 Pump including a control valve and sealing member
03/20/1997WO1997010434A1 Valve, in particular a non-return valve for use as the outlet valve of a reciprocating pump
03/19/1997EP0681672B1 Process for conveying thick matter containing preshredded scrap metal or similar solids
03/19/1997CN2249834Y Controlling seat of gas and liquid exhausting pipes
03/19/1997CN2249833Y Hydraulic sealing soft piston
03/18/1997US5611681 Reciprocating rod type pump for shear sensitive material
03/13/1997WO1997009532A1 Hydraulic radial piston machine
03/13/1997DE19533741A1 Ventil, insbesondere Rückschlagventil als Auslaßventil einer Kolbenpumpe Valve, check valve, in particular as an outlet of a piston pump
03/12/1997EP0761967A1 Hydraulic housing block with piston pump
03/12/1997EP0760906A1 Piston pump