Air compressor having condition responsive clutch control

Details Air compressor having condition responsive clutch control Air compressor having condition responsive clutch control

1984-03-08

1985-12-31

Freeh, William L.

Pumps

Condition responsive control of drive transmission or pump...

Disconnectable drive element

417319, 192 85CA, 192 91A, F04B 4900, F04B 3500, F16D 1900

Patent

active

045618275

ABSTRACT:
An air compressor has a piston (3) reciprocable to compress air within a cylinder (2), a clutch (16) to transmit drive from a drive input shaft (12) to the piston when compression is required, a piston (27) arranged to be responsive to pressure resulting from the compressor output operable to disengage the clutch (16) and thereby interrupt drive to the compressor piston when the pressure reaches a predetermined value, and a passage (37) to provide a leakage path for the pressure applied to the piston (27) to enable the pressure to decay in a controlled manner when further operation of the piston is required, whereby engagement of the clutch is permitted to occur progressively and shock loadings on the compressor components are minimized.

REFERENCES:
patent: 657669 (1900-09-01), Nef
patent: 709832 (1902-09-01), Stevens
patent: 1291875 (1919-01-01), Herr
patent: 1707746 (1929-04-01), White et al.
patent: 2070636 (1937-02-01), Yates
patent: 2665674 (1954-01-01), Metsger et al.
patent: 3155040 (1964-11-01), Shurts et al.
patent: 3461993 (1969-08-01), Brundage
patent: 3893556 (1975-07-01), Lech, Jr. et al.
patent: 4118151 (1978-10-01), Murakami et al.
patent: 4166713 (1979-09-01), Debrey
patent: 4226319 (1980-10-01), Euler et al.

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