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Class 137/51 - With other condition responsive valve control


Subclass of Class 137 - Fluid handling
Definition: Control systems including additional means responsive to
No. of patents: 12
Last issue date: 10/07/2008


NumberTitleIssue Date
7432845Hot-water supply system
To provide an inexpensive hot-water supply system that allows a user to readily select a desired unit for a physical quantity indicated on a display section of a remote controller. A bathroom-installed remote controller 4 is provided with a indication unit sw...
10/07/2008
7418885Device for driving a plurality of hydraulic shift cylinders and hydraulic supply system for a twin-clutch transmission
A device for driving a plurality of hydraulic shift cylinders, especially shift cylinders for shifting gears of a twin-clutch transmission, includes a first slide valve having a control intake to which control pressure is applied, a system pressure intake to which s...
09/02/2008
7279076Apparatus and method for handling easily polymerizable substance, apparatus for extracting liquid from apparatus under reduced pressure, and process for producing easily polymerizable substance
In an apparatus capable of distilling and refining an easily polymerizable substance, piping is performed so that when a strainer in action is switched to a backup strainer, the strainer can be switched after removing air in the backup strainer to replace air in the...
10/09/2007
6530390Pressure reducing valve
The invention provides a pressure reducing valve in which a minimum pressure can be secured even when an engine speed is reduced. A pressure reducing valve changing an output pressure in correspondence to an engine speed has means for outputting a predete...
03/11/2003
6164926Variable displacement compressor
A variable displacement compressor having a pressurizing passage, which extends through a cylinder block. The pressurizing passage connects a discharge chamber and a crank chamber. A valve is arranged in the pressurizing passage. A drive shaft rotates and...
12/26/2000
5819777Flow control device
A flow control device or valve used in a power steering system of an automotive vehicle. The flow control device comprises a housing formed with an axially extending hole in which a spool valve is movably disposed. A first pressure chamber is defined in t...
10/13/1998
4815436Apparatus for preventing the outlfow of a fuel from a fuel tank for vehicle
An apparatus for preventing the outflow of a fuel from a fuel tank for vehicle comprises a vent tube device connected to the fuel tank and a canister device connected to the inlet system of an engine to supply the fuel into the tank, an evaporating tube d...
03/28/1989
4250713Apparatus for conducting liquid helium between a transporter and an electric machine
An apparatus for providing selective fluid communication between a helium transporter and an electric machine with superconductive exciter windings includes a coupling of the transporter which is mated to an undriven end of the shaft of the electric machi...
02/17/1981
4216554Automatic freeze-proof drain system
A system to protect piping and containers from damage by freezing of contained aqueous liquid includes a temperature-actuated SPDT switch connected at its movable contact to a rechargable battery. The fixed contacts of the switch are connected to two inpu...
08/12/1980
4214437Speed adjust
A governor is adjusted as to speed by having a fluid diaphragm directly connected to a speeder spring which acts against a thrust bearing which bears against the flyweight toes. The fluid diaphragm is resisted by a set of low speed springs at all times. A...
07/29/1980
4164234Metering device
An arrangement for metering a blast of air delivered to a driven machine, particularly a sheet separation device of a sheet feeder. A control slide is connected via an air intake opening to a pressure source, and the control slide has an air discharge ope...
08/14/1979
4038956Fluid pressure regulator
This disclosure deals with a variable fluid pressure regulator wherein the level at which the fluid pressure is regulated is adjustable. A member has a flow passage formed therein, and the fluid flows through the passage and out of the member, and a closu...
08/02/1977
 
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