Patents for F04B 23 - Pumping installations or systems (4,078)
04/2007
04/18/2007EP1511937B1 Methods and apparatus for unloading a screw compressor
04/18/2007EP1356206B1 Method for maintaining a constant output variable of a feed pump, e.g. the displaced volume thereof which is actuated by a speed variable drive device, and a device for carrying out said method
04/17/2007US7204961 Liquid feed apparatus and automatic analyzing apparatus
04/12/2007US20070079698 Reciprocating fluid machines
04/10/2007US7201147 Control strategies for a variable displacement oil pump
04/10/2007CA2394331C Hydraulic hybrid vehicle
04/05/2007WO2007038401A2 Independent displacement opposing pump/motors and method of operation
04/05/2007CA2623499A1 Independent displacement opposing pump/motors and method of operation
04/03/2007US7198474 Pump having shape memory actuator and fuel cell system including the same
03/2007
03/29/2007WO2005111425A3 Fixed and variable compressor system capacity control
03/28/2007EP1767783A1 Booster pump and storage tank for low-temperature fluid comprising same
03/22/2007WO2007030914A1 Pump controller for controlling pumps connected in tandem
03/22/2007DE202007001117U1 Membranpumpe mit zwei Membranköpfen und zwei separaten Pumpengehäusen Diaphragm pump with two heads and two separate diaphragm pump housings
03/22/2007DE19823003B4 Fördereinheit für Flüssigkeiten, insbesondere Kraftstoff-Förder- oder Ölpumpeneinheit von Verbrennungsmotoren Delivery unit for liquids, particularly fuel-feed or oil pump unit of internal combustion engines
03/22/2007CA2620279A1 Pump controller for controlling pumps connected in tandem
03/21/2007CN1306172C Hydraulic producing device
03/21/2007CN1305576C Substance-atomizing apparatus
03/20/2007US7193521 Method and apparatus for detecting errors, fluid pressure, and occlusions in an ambulatory infusion pump
03/15/2007WO2007029058A1 Combined machine with friction couplings
03/13/2007US7189320 Pump, pump for liquid chromatography, and liquid chromatography apparatus
03/13/2007US7189065 Compressor heat regenerative system
03/13/2007CA2361598C Pump for dispensing a product, in particular a cosmetic or care product
03/07/2007EP1760314A2 Opposing pump/motors
03/07/2007CN1924355A Improved design of integrated electro-hydraulic power unit
03/06/2007US7185577 Tandem pump unit
03/01/2007US20070048160 Heat activated nanometer-scale pump
03/01/2007US20070048146 Dynamic fluid device
02/2007
02/28/2007EP1756427A1 Motor/pump unit
02/27/2007US7182583 Electro-hydraulic power unit with a rotary cam hydraulic power unit
02/22/2007WO2007020788A1 Pump apparatus
02/21/2007EP1754543A2 Device and method for emptying viscous substances from containers
02/14/2007EP1750514A2 Double-acting, high-pressure cryogenic pump
02/14/2007CN2869377Y Water pumping set with waterpump and manual well head pump function
02/13/2007US7175399 Serial ventilation device
02/13/2007US7174998 Submerged electric fluid pump
02/08/2007US20070031271 Effervescent gas bleeder apparatus
02/08/2007US20070031263 Vacuum pump
02/08/2007DE102006005553A1 Doppel-Getriebefilterkonstruktion Double-transmission filter design
02/07/2007EP1750036A2 Working vehicle
02/07/2007CN1910341A Scroll compressor with enlarged vapor injection port area
02/06/2007US7171982 Hydraulic fluid reservoir and hydraulic system
02/01/2007WO2007012420A1 Pump device
02/01/2007DE202006017988U1 Vacuum pump unit for use with water circulation system, has pump continuously sucking water from receiving area of tank, so that vacuum is formed in tank to generate suction force for sucking water from outlet pipe connected with inlet pipe
01/2007
01/31/2007EP1748189A1 Tandem axial piston pump unit
01/31/2007CN2864149Y Foam pump
01/25/2007WO2007010605A1 Lubricating oil feeder
01/25/2007US20070020131 Set of piston pumps, especially fuel pumps for direct fuel injection internal combustion engines
01/25/2007US20070020116 Vacuum pump
01/25/2007US20070020115 Integrated pump apparatus for semiconductor processing
01/25/2007US20070020111 Fast enclosure pumping with power saving
01/23/2007US7165948 Ejector
01/23/2007US7165396 Pump control override for tandem pumps
01/18/2007WO2005121556A3 Compressor with pressure actuated valve
01/18/2007DE4401074B4 Pumpenanordnung, insbesondere zur Förderung von Kraftstoff aus einem Vorratsbehälter zu einer Brennkraftmaschine Pump assembly, especially for pumping fuel from a storage tank to an internal combustion engine
01/18/2007DE10022174B4 Pumpenaggregat Pump unit
01/11/2007US20070006581 Pump Unit
01/10/2007EP1740806A1 Method and device for transporting a liquid
01/10/2007EP1740406A2 Hydraulic hybrid vehicle with integrated hydraulic drive module and four-wheel-drive, and method of operation thereof
01/09/2007US7159395 Bent axis hydrostatic module with multiple yokes
01/04/2007US20070000308 Chromatography system with flow sensing
01/04/2007DE102005050737B3 Motor-pump unit including electric motor and pump formed within same housing for conveying liquid, gas or other pumping medium
01/03/2007CN2854129Y Electric superhigh pressure hydraulic oil pump
01/03/2007CN2854128Y Light emulsion pump station
01/03/2007CN2854127Y Miniature spray pump
12/2006
12/28/2006WO2006136920A2 New fluorinated compounds, their synthesis and use
12/27/2006EP1735030A2 Dual cylinder vacuum pump for medical aspiration system
12/27/2006EP1654136B1 Hydrostatic drive system with pump-sided division of the amount of hydraulic fluid for two hydraulic circuits
12/27/2006EP1153238B1 Bottom entry pumping system with tertiary containment
12/21/2006WO2006133929A1 Manual piston suction pump
12/21/2006WO2006133813A1 Cryogenic compressor comprising a high-pressure phase separator
12/21/2006WO2006102372A3 Multiple compressor control system
12/21/2006WO2006048678A3 Reagent holding bag
12/21/2006US20060285979 Feed unit for feeding fuel out of a fuel tank
12/20/2006CN1882814A Tandem compressors with discharge valve on connecting lines
12/14/2006WO2006132023A1 Injector and chemical liquid preparation apparatus having the same
12/13/2006EP1731762A1 Pump unit
12/07/2006US20060272326 Pump Unit
12/06/2006EP1664538B1 Immersion pump equipped with a float control device
12/06/2006CN1288354C Hydraulic circuit of construction machinery
12/05/2006US7144230 Pulse fuel pump for a diaphragm carburetor
12/05/2006CA2405739C Variable speed hydraulic pump
11/2006
11/30/2006WO2006125299A1 Multi-drive converter unit for driving multiple fire suppression accessories
11/30/2006CA2609521A1 Multi-drive converter unit for driving multiple fire suppression accessories
11/29/2006EP1726826A2 Hydraulic pump unit
11/25/2006CA2546753A1 Hydraulic pump, hydraulic pump unit, and hydraulic driving unit
11/22/2006EP1723336A1 Cryogenic fluid pumping system
11/22/2006CN1865699A 液压装置 Hydraulics
11/21/2006US7137792 Piston pump for high viscous materials
11/21/2006US7137250 Zero turn drive apparatus with power take off
11/16/2006WO2006122268A2 Sanitary diaphragm pump for critical bioprocess applications
11/16/2006US20060257267 Pump system for an automotive engine
11/14/2006US7134846 Radial piston pump with eccentrically driven rolling actuation ring
11/08/2006EP1719915A1 In-line pumping unit
11/07/2006US7131268 Pump unit
11/02/2006WO2006115590A1 Metered pulse pump
11/02/2006WO2005072127A3 Double-acting, high-pressure cryogenic pump
11/02/2006EP1716884A1 Reservoir connector
10/2006
10/31/2006US7128541 Oscillating displacement pump
10/26/2006WO2006113521A2 Variable volume, shape memory actuated insulin dispensing pump
10/26/2006DE102005018324A1 Membrane pump assembly for e.g. environmental, wet oxidation of waste water or melamine preparation applications
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