Abstract: A closed water-container storing device with the water inlet/outlet, comprising a water storing bag container for storing water, a water inlet for the inflow of water from outside source to said water storing bag container, a water outlet for outflow of water within water storing bag container, and a float device for the control of stop/start operation of the inflow of water from outside source to said water storing bag container, when the water within said water storing bag container has reached a predetermined level.
Abstract: The invention provides a valve stem locking assembly for releasably locking a threaded fastener relative to a valve stem of a quarter-turn valve such as a ball valve. The assembly includes a handle defining an opening shaped to engage a corresponding shape of the valve stem to preclude relative rotation therebetween while allowing relative motion therebetween along the longitudinal axis of the valve stem. A standard nut engages the handle and is threaded onto the valve stem for movement relative to the valve stem along the axis. A spring biases the nut and the handle into relative rotation resisting engagement with each other. A camming mechanism, defined by the handle and the chamfer of the nut, is biased by the spring to prevent relative rotation therebetween until a desired torque about the axis is applied to the nut relative to the handle.
Abstract: A valve assembly includes a bonnet that is captivated in a valve body stem mount by means of a threaded bonnet nut. A pair of opposed pry holes are formed in the bonnet at a point above the top of the fully seated bonnet nut. Loosening of the bonnet nut enables a bonnet that is stuck in the body stem mount to be pried loose with a pry bar inserted in one or both of the pry holes and levered against the top of the bonnet nut. The bonnet holes also provide a visual indication of movement of the bonnet and whether there is pressure in the valve body.
Abstract: There is disclosed herein several gas resupply valves for replenishment of lost gas in gas lasers in general and argon ion lasers in particular. The first embodiment uses a valve which controls flow of gas into a metering volume. The metering volume has an aperture therein which is microscopically small and which has a diffusion constant for gas moving through the aperture which is less than the time the valve is held open. The second embodiment uses the same general structure, but separates the soft sealing member of the valve from the solenoid core which moves to open and close the valve. The soft sealing member is attached to the valve body and supported above a valve seat surrounding the opening of the metering volume. The third embodiment uses a thin diaphragm which overlies a flat surface of the valve body in which are formed an input port and an output port. A solenoid applies pressure against the diaphragm to cause it to flatten against the flat surface thereby sealing the valve.
Type:
Grant
Filed:
September 30, 1987
Date of Patent:
July 11, 1989
Assignee:
Spectra Physics
Inventors:
Lee Carlson, Mike Green, Mike Miller, Rudy Nissen, Steve Sheng