Featured patents

Pumping System With Power Optimization
US 08840376 B2, Sept. 23, 2014, By control of electric or magnetic drive motor, Einar Kjartan Runarsson et al. / Pentair Water Pool and Spa, Inc. (Sanford, US)
A pumping system for at least one aquatic application, the at least one aquatic…

Control System for Electromagnetic Pumps
US 08807965 B2, Aug. 19, 2014, Diaphragm type, Johan Stenberg / Xavitech AB (Härnösand, SE)
An electromagnetic driven pump comprising, a control system including…

Startup Bypass System for a Screw Compressor
US 08801395 B2, Aug. 12, 2014, Rotary expansible chamber pump, Timothy Keene Heimonen / Gardner Denver, Inc. (Quincy, US)
A method of operating an incompressible fluid flooded pump, said pump having…

Axial Flow Fan
US 08794935 B2, Aug. 5, 2014, With specific housing details, Kenichi Tanaka et al. / Nidec Corporation (Kyoto, JP)
A polyphase motor comprising:…

Reciprocating Compressor
US 08684703 B2, April 1, 2014, Three or More Cylinders Arranged in Parallel, Radial, or Conical Relationship With Rotary Transmission Axis, Hiroshi Ikeda et al. / Sanden Corporation (Isesaki-shi, Gunma, JP)
A reciprocating compressor comprising:…

Oil Pump Unit With Variable Flow Rate
US 08616857 B2, Dec. 31, 2013, Plural pump units with individual or relative control, Keiichi Kai et al. / Yamada Manufacturing Co., Ltd. (Kiryu-Shi, JP)
An oil pump unit with a variable flow rate comprising…

Fuel Pump With Reduced Seal Wear for a Direct Injection System
US 08556602 B2, Oct. 15, 2013, Biasing means effects induction stroke of abutment driven, vacuum producing pumping member, Daniele De Vita et al. / Magneti Marelli S.p.A. (Corbetta, IT)
A fuel pump for a direct injection system comprising:…

Hose Pump
US 08545196 B2, Oct. 1, 2013, Plural chambers, Michael Bratz et al. / Robert Bosch GmbH (Stuttgart, DE)
A hose pump, comprising:…

Compressor and Method for Controlling a Compressor for the Compressed Air Supply of a Commercial Vehicle
US 08512007 B2, Aug. 20, 2013, Disconnectable drive element, Gilles Hebrard / KNORR-BREMSE Systeme fuer Nutzfahrzeuge GmbH (Munich, DE)
A compressor system for compressed air supply of a commercial vehicle,…

Micro-Fluidic Systems Based on Actuator Elements
US 08475145 B2, July 2, 2013, Rotary motor and rotary nonexpansible chamber pump, Hendrik Roelof Stapert et al. / Koninklijke Philips Electronics N.V. (Eindhoven, NL)
A micro-fluidic system comprising:…

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