Fluid supplying device

Details Fluid supplying device Fluid supplying device

1979-01-25

1980-11-04

Jenkins, Robert W.

Pumps

Condition responsive control of pump drive motor

Having timer or delay means

417 38, F04B 4900

Patent

active

042317070

ABSTRACT:
A fluid supplying device having a peristaltic pump with a depression and delivery system that includes an elastic tube (17) for receiving fluid and an assembly of depressing members (15) for alternately constricting and relaxing the elastic tube. A drive shaft (10) connects the depression and delivery systems to an electric motor (24). A rotary member (21) is provided on the drive shaft to rotate with the drive shaft and a plurality of discharge-amount transmitting devices (22) are provided on the rotary member in such a manner that the distances between the discharge-amount transmitting devices can be changed as desired. A detector (23) is disposed at the position of passage of the discharge-amount transmitting devices for detecting the discharge-amount transmitting devices and a switch (40) is connected between the detector and the electric motor to deenergize the electric motor.

REFERENCES:
patent: 3137242 (1964-06-01), Hahn
patent: 3730645 (1973-05-01), Mashakaru
patent: 3737251 (1973-06-01), Berman
patent: 3938909 (1976-02-01), Willock
patent: 4142845 (1979-03-01), Lepp

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