Valve construction and method of making the same

Details Valve construction and method of making the same Valve construction and method of making the same

1990-07-17

1991-08-06

Rosenthal, Arnold

Valves and valve actuation

Heat or buoyancy motor actuated

60528, 60529, 29890124, 236 68R, 236 87, 236 48R, F16K 3170, F16K 3102

Patent

active

050370618

ABSTRACT:
A valve construction and method of making the same are provided, the valve construction comprising a housing provided with a chamber therein and with an inlet leading to the chamber and outlet leading from the chamber, a valve seat carried by the housing and leading to the outlet, a movable bimetallic lever carried by the housing and having an operating bimetallic part, a heater wire disposed in coiled relation about the operating part to heat the same when an electrical current flows through the heater wire, and a valve member carried by the bimetallic lever for opening and closing the valve seat under the control of the operating part of the bimetallic lever, the operating part of the bimetallic lever having a fastening unit operatively interconnected to the heater wire to tend to hold the heater wire in the coiled relation on the operating part of the bimetallic lever, the heater wire comprising a length of the wire doubled upon itself to define a looped end and pair of free ends adjacent each other with the looped end being part of the heater wire that is operatively interconnected to the fastening unit of the bimetallic lever, the operating part of the bimetallic lever having an opening passing therethrough and receiving the looped end of the wire therethrough whereby the opening comprises the fastening unit of the operating part of the bimetallic lever.

REFERENCES:
patent: 2409112 (1946-10-01), Dillman
patent: 3799495 (1974-03-01), Wonn
patent: 4102496 (1978-07-01), Perl
patent: 4685652 (1989-08-01), Shopsky

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