Throttle return systems for carburettors

Details Throttle return systems for carburettors Throttle return systems for carburettors

1974-04-02

1976-03-16

Myhre, Charles J.

Internal-combustion engines

Accessories

Covers, trays, vibrators, corrosion inhibitors, air filters

123198D, 180 82R, 74513, F02B 7708, F02D 1104, B60K 2208

Patent

active

039439070

ABSTRACT:
A carburettor throttle member is provided with two return springs. The first spring is tensioned between the carburettor body and a disk rotatably mounted on the carburettor shaft. The second spring is weaker than the first spring and is compressed between the disk and shaft. The two springs tend to rotate the disk in opposite direction. The first spring normally retains the disk and shaft in a predetermined angular position. In case of fracture of the first spring, the second spring moves the disk into abutment with the fixed stop, operates as a substitute return spring.

REFERENCES:
patent: 3626919 (1971-12-01), MacMillan
patent: 3698372 (1972-10-01), Eshelman et al.
patent: 3699943 (1972-10-01), Eshelman
patent: 3704635 (1972-12-01), Eshelman
patent: 3760786 (1973-09-01), Marsh
patent: 3830213 (1974-08-01), Herman

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