The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 01, 1980
Filed:
Aug. 09, 1978
Wilfred J Grenier, Rutland, MA (US);
General Industries, Inc., Rutland, MA (US);
Abstract
In a flush valve having a housing, a movable partition sealingly engaging the housing and defining a primary chamber and a control chamber, an inlet port in the primary chamber and an outlet port in the primary chamber, a valve element connected with the partition for closing the outlet port, an actuator mechanism including an actuator valve for venting the control chamber, and an actuator member for operating the actuator valve, the improvement including a flow control mechanism including an auxiliary chamber communicating with the control chamber through the actuator valve; a flow regulating outlet communicating with the outlet port and the auxiliary chamber for discharging fluid vented through the actuator valve; a flow regulating inlet in the auxiliary chamber for conducting into the auxiliary chamber, when the flush valve is open and the valve element is separated from the outlet port, a portion of the fluid passing from the inlet port to the outlet port; and a unidirectional flow regulator valve for permitting fluid flow through the flow regulating inlet into the auxiliary chamber but preventing fluid flow through the flow regulating inlet out of the auxiliary chamber.