NOZZLE PRESSURE CONTROL SYSTEM

• US 3,786,869 A
• Filed: 04/27/1972
• Issued: 01/22/1974
• Est. Priority Date: 04/27/1972
• Status: Expired due to Term

• Current Assignee: ROM Acquisition Corporation (Safe Fleet Holdings LLC)
• Original Assignee: John Mcloughlin
• Inventors: McLoughlin, John
• Primary Examiner(s): Wood, Jr., M. Henson
• Assistant Examiner(s): Love, John J.
• Application Number:
  US05/248,012
• Time in Patent Office: 635 Days
• Field of Search: 417/34 251/131
• US Class Current: 169/24
• CPC Class Codes: A62C 25/005 Accessories

Abstract

Hose nozzle pressure control means for a fire engine pumper of the type having a pump driven by a truck engine comprising, engine governor means connected to and responsive to the pump output pressure and engine throttle means to regulate engine speed to maintain pump output pressure, a motorized valve connected between said pump and said hose, and means to control said valve from said nozzle location. The valve control means comprises a transmitter located at said nozzle, a receiver and control means connected to said receiver and responsive to said transmitter to control said valve. The transmitter is connected to said receiver means by wire or by radio.

Claims

1. Hose nozzle pressure control means for a fire engine pumper of the type having a pump driven by a truck engine, comprising, engine governor means connected to and responsive to the pump output pressure and engine throttle means to regulate engine speed to maintain pump output pressure, comprising an electric motor connected to the engine throttle,, electric amplifier means connected to the input of said motor, first input potentiometer means connected to said amplifier simulating a selected pump pressure and second input transducer means connected to said amplifier transmitting actual pump pressure.