Claims
- 1. A device for controlling the output pressure of a pump or the like, said device comprising: an output line for transmitting fluid under pressure from said pump, said output line including a control hose portion having a length inconsistent with the length the control hose portion would assume when subjected to a predetermined variation in interval pressure, said control hose portion changing in length responsive to variations in the pressure of the fluid in the line; and means responsive to the change in length of said control hose portion for controlling the pump, wherein the control hose portion is initially deformed into an arcuate configuration, such that a centerline of the control hose portion lies along an arcuate path, and the ends fixed so that said changes in length result in variations in said arcuate configuration, and wherein said responsive means senses said variations in said arcuate configuration.
- 2. The device of claim 1, wherein said controlling means comprises a switch.
Parent Case Info
This is a division of our copending application, Ser. No. 932,520, filed Aug. 10, 1978 now U.S. Pat. No. 4,212,591.
US Referenced Citations (4)
Divisions (1)
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Number |
Date |
Country |
Parent |
932520 |
Aug 1978 |
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