Explosion resistant electric heat motor gas valve
Patent 4027689 Issued on June 7, 1977. Estimated Expiration Date: 
June 7, 1994. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
June 7, 1994. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 1566056 2077735 2118443 2482457 2810631 2913320 3275285 3464227 InventorAssigneeApplicationNo. 05/679160 filed on 04/21/1976US Classes:137/68.11, Destructible element236/68R, Auxiliary heater251/11, HEAT OR BUOYANCY MOTOR ACTUATED431/346, FLASH-BACK CONTROLLING OR PREVENTING STRUCTURE48/192Safety devicesExaminersPrimary: Schwadron, Martin P.Assistant: Walton, G. L. Attorney, Agent or FirmInternational ClassG05D 7/06 (20060101)AbstractAn explosion resistant gas valve in which a valve actuating mechanism in the form of a bimetallic strip is operated by an electric heat motor. An explosion containment structure is provided about the electric heat motor to isolate it from the path of gas flow. A plurality of pressure relief apertures extend through the sides of the containment structure. | |
