Pressure operated three-position throttle stop assembly

Details Pressure operated three-position throttle stop assembly Pressure operated three-position throttle stop assembly

1981-10-19

1983-07-05

Cuchlinski, Jr., William A.

Internal-combustion engines

Engine speed regulator

Idle speed control

123341, 123389, F02M 300

Patent

active

043912451

ABSTRACT:
A throttle stop assembly is shown having a body or housing containing a diaphragm therein which serves to define within such housing a relatively high pressure or atmospheric chamber at one side of the diaphragm and a relatively low pressure or vacuum chamber at the other side of the diaphragm; the vacuum chamber is provided with at least one interior wall against which the diaphragm member is brought when a first magnitude of vacuum is admitted to the vacuum chamber as to thereby correspondingly position a related movable throttle stop member; when a second magnitude of vacuum is admitted to the vacuum chamber a portion of the diaphragm is moved further toward and operatively against a second wall or abutment as to thereby again correspondingly position the related movable throttle stop member.

REFERENCES:
patent: 4220218 (1980-09-01), Riddel
patent: 4230077 (1980-10-01), Ito

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