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Class 251/41 - Remote pilot valve actuation


Subclass of Class 251 - Valves and valve actuation
Definition: Subject matter in which the pilot valve or an actuator therefor
No. of patents: 15
Last issue date: 08/30/2005


NumberTitleIssue Date
6934976Toilet flusher with novel valves and controls
A tank-type flusher includes an intake valve, i.e., a fill valve, a diaphragm-operated flush valve, and a pressure control mechanism. The intake valve is connected to an external water source and is constructed to close water flow to a water storage tank at about a ...
08/30/2005
6748970Pilot operated water conservation valve and actuator
A fluid diaphragm valve and interconnected pilot valve apparatus for control flow of fluid discharge from a pressurized fluid distribution system. The apparatus has a primary valve with an inlet adapted to receive fluid under pressure, and an outlet adapted to disch...
06/15/2004
6612536Remote shut-off valve
This invention relates to a remote shut-off valve, and in particular to a valve for the remote shutting-off of a fluid such as a main water supply. The remote shut-off valve comprises a diaphragm valve and a pilot valve which are connected together by way...
09/02/2003
6360768Control apparatus for pneumatic evacuation and water valves, operated by vacuum pressure
A control apparatus for pneumatic evacuation and/or water valves, operated by vacuum pressure and used for a vacuum sewerage system, particularly for pneumatically operated sanitary appliances, such as vacuum closets, urinals or wash basins. The control a...
03/26/2002
6299127Solenoid valve piston
A flush valve for use on toilet devices such as urinals and water closets includes a body having an inlet and an outlet. There is a valve seat in the body and a valve member movable within the body toward and away from the valve seat to control water flow...
10/09/2001
6298872Pilot operated water conservation valve actuator
A fluid diaphragm valve and interconnected pilot valve apparatus for control flow of fluid discharge from a pressurized fluid distribution system. The apparatus has a primary valve with an inlet adapted to receive fluid under pressure, and an outlet adapt...
10/09/2001
6176439Deadman control method and apparatus
An enhanced mixing equipment system including a power supply, an actuatable valve, the actuatable valve connected via a line between the power supply and a storage vessel, an actuatable discharge/mixing valve attached to a portion of the storage vessel, t...
01/23/2001
6123315Apparatus and method for reducing water use
A fluid diaphram valve and interconnected pilot valve apparatus for control flow of fluid discharge from a pressurized fluid distribution system. The apparatus has a primary valve with an inlet adapted to receive fluid under pressure, and an outlet adapte...
09/26/2000
5361426Hydraulically controlled pressurized water closet flushing system
A pressurized water closet operating system comprises an accumulator vessel having a flush valve assembly mounted internally thereof both of which are connected at all times to a source of water under pressure. A remote control valve hydraulically conditi...
11/08/1994
5125621Flush system
A replacement apparatus (50) for converting a manual flush mechanism to automatic operation includes a partition base (76) secured to a replacement cap (68) that forms two spaced-apart openings (96 and 98). A valve operator (58) is so mounted on the repla...
06/30/1992
4561466Valve for supplying flow media
The valve for supplying a flow medium to a flow medium pipe which alternatingly carries different flow media, in particular to the flow medium pipe of a converter for treating the contents of a converter with various gaseous flow media, exhibits a chamber...
12/31/1985
4391183Hydraulic blocking valve
The invention relates to a hydraulic blocking valve, a so-called holding valve (10), the shutting-off member of which consists of a movable ball (16) coacting with a seat (17) in an inlet chamber (24). The space (15) on the side of the ball opposite its s...
07/05/1983
4109895Remote actuated metering valve
A remote actuated metering valve system for supplying water to a washing fixture includes a main metering valve and at least one remote actuating relief valve connected to the main valve by tubing. The main metering valve has an inlet and an outlet with a...
08/29/1978
4078614Fire extinguisher
A fire extinguisher includes a pressure vessel containing an extinguishing agent and pressurized gas and a valve remotely operated by a manual control at the outlet end of the delivery hose for controlling the discharge of the extinguishing agent from the...
03/14/1978
 
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