Liquid flow control valve for toilet flush tanks

• US 3,242,940 A
• Filed: 11/19/1963
• Issued: 03/29/1966
• Est. Priority Date: 11/19/1963
• Status: Expired due to Term

• Current Assignee: Louis Sirotek
• Original Assignee: Louis Sirotek
• Inventors: LOUIS SIROTEK
• Application Number:
  US04/324,771
• Time in Patent Office: 861 Days
• US Class Current: 137/218
• CPC Class Codes: F16K 31/34 acting on pilot valve controlling the cut-off apparatus
• CPC Class Codes: Y10T 137/3331 With co-acting valve in liquid flow path
• CPC Class Codes: Y10T 137/7374 Flexible diaphragm valve
• CPC Class Codes: Y10T 137/7449 External hood or deflector or annular outlet surrounding the inlet pipe
• CPC Class Codes: Y10T 137/87917 Flow path with serial valves and/or closures

Claims

1. A LIQUID FLOW CONTROL VALVE FOR FLUSH TANKS, COMPRISING:

(A) A CASING, (B) A SLEEVE EXTENDED OUTWARDLY AND DOWNWARDLY FROM THE LOWER SIDE OF THE CASING, A PORTION OF WHICH IS THICKENED AND FORMED WITH DUCTS EXTENDED LONGITUNDINALLY THERETHROUGH AND COMMUNICATING WITH THE CASING INTERIOR, (C) FLUID PRESSURE ACTUATED LIQUID FLOW CONTROL VALVE MEANS WITHIN THE CASING, (D) A LIQUID SUPPLY PIPE CONNECTED TO AND COMMUNICATING WITH THE CASING INTERIOR, AND (E) A LIQUID DISCHARGE PIPE ENGAGED OVER AND ABOVE THE SUPPLY PIPE CONNECTED TO SAID SLEEVE FOR MOVEMENT TOWARD AND AWAY FROM ITS THICKENED PORTION AND DUCTS WHEREBY TO REGULATE THE FLOW OF LIQUID THEREINTO AND THEREFROM.