Patents in subclass Pumps/Adjustment With Respect To Common Drive

Parent class: Pumps

Number Patent title Issue Date
07384183 Mobile decontamination unit

An apparatus capable of mixing and dispensing a decontaminant foam that is useful in strategic and tactical decontamination comprises in one embodiment a plurality of tanks 11, a pump assembly that is capable of mixing binary or...
06/10/2008
07275735 Fan drive for fluid cooler with evaporative heat exchanger

A cooling tower and/or a fan drive system are provided which enhance cooling performance, are able to reduce lateral temperature gradients at least to some degree, provide for easy removal of debris and/or provide for easy fan adjustment.
10/02/2007
07162948 Variable stroke assembly balancing

An assembly includes a piston and a transition arm coupled to the piston. The position of the transition arm is adjustable to vary a stroke of the piston. A balance member is adjustable relative to the transition arm to counterbalance the...
01/16/2007
07090475 Hydraulic control circuit for a hydraulic engine with at least two speeds

A hydraulic control circuit for a radial piston engine with two speeds. The changeover between the speeds takes place through the alteration of the absorption volume, the delivery side being connected to the discharge side with a bypass...
08/15/2006
06973798 Air conditioning system for vehicle

An air conditioning system 1 includes a primary compressor (an engine-driven compressor 6) driven by a primary driving source (an engine 2) and a secondary compressor (a motor-driven compressor 7) driven by a secondary driving source (a...
12/13/2005
06960069 Arrangement structure of swash plate hydraulic pump hydraulic pump

An arrangement structure of a swash plate hydraulic pump which can be used in a wide range of construction equipment and industrial vehicles and is small in size, simple in structure, and inexpensive is provided. For this purpose, an...
11/01/2005
06913447 Metering pump with varying piston cylinders, and with independently adjustable piston strokes

A metering pump includes an actuating mechanism, and a plurality of piston cylinders coupled to the actuating mechanism. A first of the cylinders has a working volume that differs from a second of the cylinders. The actuating member is...
07/05/2005
06783331 System and method of multiple-phase pumping

A pump system for multi-phase fluids that includes a drive-shaft (11), mechanical differential units (12, 22, 23, 23', D.sub.1 . . . D.sub.n) and pumps (14, 14', 25, 25', 25", 25'", B.sub.1 . . . B.sub.n) where the differential units...
08/31/2004
06659726 Variable speed control of multiple motors

A system for variable speed control of a plurality of motors under variable load demand is provided. The system includes a constant power source and a plurality of motors having electrical circuits with switches to connect with the...
12/09/2003
06579067 Variable speed control of multiple compressors

A system for variable speed control of a plurality of compressors under variable load demand. The system includes a constant power source and a plurality of compressor motors having switches to connect with the constant power source. The...
06/17/2003
06454543 Selectively operable multiple pump assembly

The present invention relates to a space-saving and weight-saving motor-and-pump assembly which comprises a drive motor and a pump unit driven by the shaft of the said motor. In order to supply in parallel as many media as possible with...
09/24/2002
6162023 Reciprocating cam actuation mechanism for a pump

A multi-pump controlling means and method controls and drives two or more reciprocating pumps creating proportioned flows of fluids. The multi-pump controlling means in use is situated between a driving means, such as a double acting ram,...
12/19/2000
6109894 Dual piston pump device for feeding two independent liquids

A device consisting of two piston pumps for supplying two separate liquid systems, particularly a fuel injection system and an oil system in an internal combustion engine. The device includes a single housing containing the pump bodies; a...
08/29/2000
6022198 Twin pump with a charging pump

A double pump unit including two hydraulic pumps (1, 2) having drive shafts (5, 6) arranged coaxially with one another, which shafts are coupled with one another in a force-locking manner by a coupling piece (23). The coupling piece (23)...
02/08/2000
5775881 Oil supply system

The present invention relates to an oil supply system with at least one pressure and/or volume dependent controllable pump (1) and an oil tank (5) or the like from which the pump draws oil and delivers it with controlled output pressure...
07/07/1998
5599177 Precision metered multiple fluid pumping system

A precision metering, multiple fluid pumping system comprised of a main pump for pumping a primary fluid and an auxiliary pump for pumping a secondary fluid adjustably linked to work in unison with the main pump. The auxiliary pump is...
02/04/1997