Fluid handling – Speed responsive valve control – Centrifugal mass type
Patent
1985-08-28
1987-08-04
Nilson, Robert G.
Fluid handling
Speed responsive valve control
Centrifugal mass type
G05D 1338
Patent
active
046839038
ABSTRACT:
A governor valve for a hydraulic controller in an automatic transmission, which is disclosed herein, comprises an adapter having a line pressure supply bore made therethrough, a cylindrical governor rotary shaft loosely fitted into the adapter sleeve and having a line pressure supply port made therein, the port including notches intersecting the axis at right angles, a centrifugal weight mounted on one end of the governor rotary shaft and having a return spring, and a spool adapted to slide within the governor rotary shaft with the weight being urged against one end thereof. In this governor valve, there are provided dirt and dust collecting means for preventing dirt and dust separated by a centrifugal action from collecting in the line pressure supply port during the stoppage of the governor rotary shaft so as to make the shaft stick.
REFERENCES:
patent: 3906975 (1975-09-01), Craig
patent: 4194518 (1980-03-01), Iwanaga
patent: 4323093 (1982-04-01), Whitney
Kuramochi Koujiro
Kuwayama Yoshinari
Tatsuta Mitsugu
Yokoyama Fumitomo
Aisin Warner Limited
Nilson Robert G.
Toyota Jidosha & Kabushiki Kaisha
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