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Class 417/277 - Plural chambers connected to single pump chamber


Subclass of Class 417 - Pumps
Definition: Apparatus wherein a single expansible chamber has two or
No. of patents: 8
Last issue date: 10/02/2007


NumberTitleIssue Date
7275916Integrated engine/compressor control for gas transmission compressors
A method and system for controlling an engine that drives a reciprocating compressor, such as the large compressors used for natural gas transmission. A controller receives data from the compressor representing operation conditions, such as load step, suction pressu...
10/02/2007
7273465Device and methods for body fluid flow control in extracorporeal fluid treatments
Disclosed are devices and methods for the control of body fluid flow in the extracorporeal treatment of body fluid. Body fluid flow through on of a body fluid flow circuit (10, 50, 60, 100 or 250) is controlled by alternating applying vacuum pressure a...
09/25/2007
7025082On-board refueling system for vehicles
An on-board refueling system for vehicles. The refueling system includes a coil reel and a fuel pump. The coil reel has a forward end and a rearward end, a handle proximate the forward end, and a nozzle attached to the forward end. The nozzle is configured to engage...
04/11/2006
6589022Compressor having a seal cooling structure in which all refrigerant fluid supplied to the compressor is used to cool compressor shaft seals
The compressor has a cooling structure to effectively cool a shaft seal device interposed between a housing of the compressor and a rotary shaft. The front housing has a through-hole through which the rotary shaft extends, and the shaft seal device is arr...
07/08/2003
5983780Multiple piston swash plate type of compressor including different dead volumes of the cylinder bores by the use of different length pistons
A compressor includes front and rear cylinder blocks, a drive shaft rotatably supported by the cylinder blocks, a swash plate mounted on the drive shaft, a plurality of cylinder bores defined in the cylinder blocks and located around the drive shaft, and ...
11/16/1999
4737080Valve assembly
A valve assembly is provided which includes a seat structure and a cage structure. A valve member is movable between open and closed positions and includes an upstream side adapted to engage the seat structure with the valve member in its closed position ...
04/12/1988
4714066Fuel injector system
An injector system for injecting fuel and/or water into the combustion chamber of an engine cylinder having a high pressure pump with a primary piston for pumping fluid to an injector nozzle and plurality of integral control cylinders having means for dis...
12/22/1987
3972652Variable volume clearance chamber for compressors
The improved clearance pocket or chamber for compressors described in this specification includes a hollow housing attached to the cylinder of the compressor. The housing is divided into two clearance chambers and into three power chambers. A valve member...
08/03/1976
 
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