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Class 137/565.33 - Parallel


Subclass of Class 137 - Fluid handling
Definition: Subject matter wherein the pumps discharge separate fluid
No. of patents: 126
Last issue date: 07/27/2010


1        
NumberTitleIssue Date
7762277Hydraulic pressure supplying device for transmission
In a hydraulic pressure supplying device for a transmission including a first oil pump adapted to be driven by a main shaft of the transmission, at least one second oil pump adapted to be driven by suitable means, and a check valve provided between the discharge sid...
07/27/2010
7383892Preaction fire extinguishing system for ESFR cold storage applications
An early suppression fast response fire protection system includes a sprinkler piping system with at least one sprinkler head assembly, a water supply system, and a check valve in fluid communication with the sprinkler piping system and the water supply system. An a...
06/10/2008
7314547Fountain solution recycling system for commercial printers
A method of and apparatus for extending the life of fountain solutions used in commercial printing presses comprises withdrawing fountain solution from the dampener recirculation system of a printing press and directing the withdrawn fountain solution through a sedi...
01/01/2008
7291277Method and device for cleaning the fountain solution of a printing press
A method for cleaning the fountain solution of a printing press with an automatically emptying separator (16), separates the dirt particles and oil residues from fountain solution and supplies them, as a mixture of dirt and fountain solution, to a dirt and fo...
11/06/2007
7287540Method for introducing drag reducers into hydrocarbon transportation systems
Disclosed is a method of reducing drag in a fluid stream. The method includes admixing the components of a drag reducer to form an incipient drag reducer and injecting the incipient drag reducer into the fluid stream wherein the drag reducer components are admixed a...
10/30/2007
7270145unloading/venting valve having integrated therewith a high-pressure protection valve
The invention relates to valves for air compressors, and more particularly, to an unloading/venting valve having integrated therewith a high-pressure protection valve where a pressure reducing valve has a discharge port in communication with the air system and a ven...
09/18/2007
7247778Addressable pneumatic valve system
An addressable valve system is described wherein a plurality of valves are embedded into a single, compact valve block. Each valve comprises a piston moving in a bore in the block. A magnet embedded in the piston is positioned within a coil. When energized, the coil...
07/24/2007
7234451Dual fuel pump configuration for saddle fuel tanks
A dual fuel pump fuel extraction system for saddle fuel tanks. A primary modular reservoir assembly (MRA) includes an electric primary fuel pump located in the primary sump of a saddle fuel tank and a secondary MRA including an electric secondary fuel pump located i...
06/26/2007
7234857Method and apparatus for feeding a chemical into a liquid flow
A method of and apparatus for feeding a chemical into a liquid flow are especially suited for use with a headbox of a paper machine, particularly for feeding a retention aid into a fiber suspension flow going to the headbox so that in a mixing apparatus feed liquid ...
06/26/2007
7150286Methods and systems for performing, monitoring and analyzing multiple machine fluid processes
In one embodiment, a method is provided for performing a fluid process within a machine having a fluid system including at least two reservoirs of different types of fluids. The method includes the steps of identifying a first reservoir for use in performing a fluid...
12/19/2006
7150290Unitary concrete pumping station for aqueous waste submersible pumping applications
A unitary concrete structure pumping station useful in pumping waste fluids and the like during the passing of such materials from one part of a gravity flow waste system to another. This concrete structure is simple to install and use and many of the problems assoc...
12/19/2006
7117888Hydraulic separator
The invention relates to a hydraulic separator to be fitted between a primary liquid circuit and a secondary liquid circuit, in such a manner that the first and secondary liquid circuits are hydraulically independent. The hydraulic separator has an elongate body wit...
10/10/2006
7112282Fountain solution recycling system for commercial printers
A method of and apparatus for extending the life of fountain solutions used in commercial printing presses comprises withdrawing fountain solution from the dampener recirculation system of a printing press and directing the withdrawn fountain solution through a sedi...
09/26/2006
7100632Sump liner
A sump liner comprising a liner wall joined with a base member, the liner wall extending about the periphery of the base member, the liner wall comprising a primary reservoir portion and a secondary reservoir portion, with a weir extending from the base member and t...
09/05/2006
7087159Fountain solution recycling system for commercial printers
A method of and apparatus for extending the life of fountain solutions used in commercial printing presses comprises withdrawing fountain solution from the dampener recirculation system of a printing press and directing the withdrawn fountain solution through a sedi...
08/08/2006
7077160Water pressure pump
An apparatus for boosting residential water pressure. To attain this, a conduit receives water supplied to a residence and routes the water through and inlet on/off valve and a first check valve to a pump, where said pump provides water to the residence as well as t...
07/18/2006
7077159Processing apparatus having integrated pumping system
An apparatus 115 for processing a substrate 20, comprises an integrated pumping system 155 having a high operating efficiency, small size, and low vibrational and noise levels. The apparatus 115 comprises a chamber, such as a load-lock ch...
07/18/2006
7059345Pump bypass system
A system for injecting water into a well boosts pressure in a flowline leading to the injection well. A bypass flowline is connected into and forms part of the main flowline. A bypass valve is located in the bypass flowline for opening and closing the bypass flowlin...
06/13/2006
7051759Processing apparatus having integrated pumping system
An apparatus 115 for processing a substrate 20, comprises an integrated pumping system 155 having a high operating efficiency, small size, and low vibrational and noise levels. The apparatus 115 comprises a chamber, such as a load-lock ch...
05/30/2006
7044160Device for supplying the consumers of a fuel cell system with liquid media
An arrangement for supplying liquid media to consumers of a fuel cell system having a feed pump is suggested which is less complex compared to known arrangements. This is achieved in that controllable metering valves (22) are provided between the feed pump (
05/16/2006
7040994Redundant array water delivery system for water rides
A redundant array pumping system and control system is provided for water rides for ensuring continuous and non-disruptive supply of water. The pumping system incorporates a redundant pump and filter array in conjunction with a nozzle system for injecting water onto...
05/09/2006
7017606Primary-secondary pumping system
A primary-secondary pumping system for HVAC systems wherein the common pipe is configured so that there is at least a 4 ft pressure drop across the length of the common pipe and that all thermal plants see the same temperature of water entering the thermal plants an...
03/28/2006
6993958Capillary column chromatography process and system
A microfluidic system is provided for separating components of many fluid samples in a parallel fashion through an array of capillary conduits. The system includes capillary conduits for receiving fluid samples, and for effecting separation of substituents of the sa...
02/07/2006
6964162Hydraulic pressure generating apparatus
A hydraulic pressure generating apparatus includes a hydraulic oil feed line for feeding hydraulic oil with high pressure from an oil tank to a hydraulic pressure control system of a generator by an oil feeding pump unit, a hydraulic oil return line for returning dr...
11/15/2005
6959734Flow-through inflatable plug
A flow-through inflatable plug assembly inflatable in a pipeline. The flow-through inflatable plug assembly includes a flow-through fluid conduit and a separate “donut-shaped” inflatable member having an aperture defined therein. For operation, the flow-through ...
11/01/2005
6957662Redundant array control system for water rides
A redundant array pumping system and control system is provided for water rides for ensuring continuous and non-disruptive supply of water. The pumping system incorporates a redundant pump and filter array in conjunction with a nozzle system for injecting water onto...
10/25/2005
6941969Vehicle fluid change apparatus
A fluid transfer system includes elongated conduits connected at one end with couplings to a plurality of fluid reservoirs of a machine or engine and at the other end with a control valve for selective quick evacuation. Evacuation is powered by a pump operably conne...
09/13/2005
6908558Fountain solution recycling system for commercial printers
A method of and apparatus for extending the life of fountain solutions used in commercial printing presses comprises withdrawing fountain solution from the dampener recirculation system of a printing press and directing the withdrawn fountain solution through a sedi...
06/21/2005
6901955Cryogenic rotary coupling, and use thereof in particular in articulated fluid feed lines, and in cryogenic propellant rocket engines
The cryogenic rotary coupling comprises segments of a cryogenic line that are capable of turning relative to each other about a pivot axis of the rotary coupling. Radial retaining elements and axial retaining elements define the pivot axis of the rotary coupling. On...
06/07/2005
6886576Method of controlling the flow in a flow system
A method and flow system for controlling the flow of a liquid in a flow system, the liquid flow comprising particles and being led into a channel thereof. The method comprises the steps of enveloping the liquid flow by a flow of carrier liquid, hydrodynamically focu...
05/03/2005
6854479Sump liner
A sump liner comprising a liner wall joined with a base member, the liner wall extending about the periphery of the base member, the liner wall comprising a primary reservoir portion and a secondary reservoir portion, with a weir extending from the base member and t...
02/15/2005
6817377Processing apparatus having integrated pumping system
An apparatus 115 for processing a substrate 20, comprises an integrated pumping system 155 having a high operating efficiency, small size, and low vibrational and noise levels. The apparatus 115 comprises a chamber, such as a load-lock ch...
11/16/2004
6769449Water booster methods and apparatus
Water is first caused to flow through a first passage and rotate a first impeller. Rotation of the first impeller is linked to rotation of a second impeller, which is in fluid communication with a second, discrete passage. Vanes on the second impeller are constraine...
08/03/2004
6708710Vehicle fluid change apparatus and method
A fluid transfer system includes elongated conduits connected at one end with couplings to a plurality of fluid reservoirs of a machine or engine and at the other end with a control valve for selective quick evacuation. Evacuation is powered by a pump operably conne...
03/23/2004
6681801Pumping station with efficiency increasing and backflow preventing structure
A pump station including a structure that includes at least one inlet chamber and at least one discharge chamber arranged on a different level. A separating wall is arranged within the structure between the two chambers, and at least one pump delivers a l...
01/27/2004
6675821Method of controlling the flow in a flow system
With a method of controlling the flow in a flow system where a liquid flow contains a particle concentration, the liquid flow is surrounded by a carrier liquid. The liquid flow and carrier liquid are led into a central channel in which there is provided a...
01/13/2004
6615866Hydraulic power assembly having a removable top
A hydraulic power assembly (10) includes an electric motor (30) disposed on a removable top (26) outside a tank (12) defining a chamber (25). A first pump (32) depends from the removable top (26) and into the chamber (25) and includes a first inlet (34) a...
09/09/2003
6598615Compact independent pressure control and vacuum isolation for a turbomolecular pumped plasma reaction chamber
A method and apparatus for use in conjunction with a plasma reaction chamber provide both throttling functionality and independent vacuum isolation for a turbomolecular pump. A throttle valve provides for precise reaction chamber pressure regulation, and ...
07/29/2003
6581625Liquid supply system, method for cleaning the same and vaporizer
The liquid supply system comprises a pump for delivering a liquid under high pressure and a vaporizer for vaporizing the liquid delivered from the pump. The liquid vaporized in the vaporizer is supplied to a reaction chamber. A pressure gage is provided i...
06/24/2003
6553973Fuel tank cover and filter assembly for fuel tank
A fuel tank cover assembly for a fuel tank of a vehicle includes a cover adapted to close an opening in the fuel tank having a fuel reservoir disposed therein and a fuel filter disposed within and attached directly to the cover to filter fuel from the fue...
04/29/2003
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