Load-sensing pneumatic control system

Details Load-sensing pneumatic control system Load-sensing pneumatic control system

1997-06-18

1998-10-06

Michalsky, Gerald A.

Motors: expansible chamber type

With alternative manual actuation of load

Alternate pedal positions

91446, 91454, F15B 1304

Patent

active

058161325

ABSTRACT:
A pneumatic control system for selectively controlling a pneumatically-operated device for controlling movement of a variable load, such as a material handling device or lifting and lowering device, is capable of automatically sensing the load exerted on the pneumatically-operated device and automatically self-compensating for varying loads in order to selectively maintain the load in a static condition. The system further allows for ease of manual manipulation of the load to a new static condition and automatically self-compensates in order to maintain the load at such new static condition. The system preferably accomplishes this by automatically detecting the outlet pneumatic pressure necessary to maintain the load in a first static condition and for automatically self-adjusting the outlet pneumatic pressure to maintain the load in a second static condition.

REFERENCES:
patent: 4148248 (1979-04-01), Risk

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