Speed governing apparatus

Details Speed governing apparatus Speed governing apparatus

1988-05-16

1990-01-23

Wolfe, Willis R.

Internal-combustion engines

Engine speed regulator

Having condition responsive means with engine being part of...

123364, 123372, F02D 900

Patent

active

048951196

ABSTRACT:
A speed governing apparatus for an internal combustion engine. A plurality of flyweights are pivoted to a flyweight carrier mounted on the cam shaft of the engine and a surface of each flyweight is engaged with the end of a spool that is mounted for rotation with the cam shaft, but can move axially thereof. A spring loaded non-rotatable fork straddles the cam shaft and is engaged with the opposite end of the spool. The fork is secured to a rod which, in turn, is operably connected to the throttle of the engine. The end of the spool, against which the fork rides, is an undulating cam surface which results in the continuous axial oscillation of the spool, and corresponding continuous radial oscillation of the flyweights relative to the spool, during operation of the engine. The radial oscillation of the flyweights relative to the spool reduces the frictional forces, so that under varying load conditions the spool can be more readily moved by the pivoting action of the flyweights to provide more precise speed control.

REFERENCES:
patent: 2887099 (1959-05-01), Roosa
patent: 2938510 (1960-05-01), Froggatt et al.
patent: 3841111 (1974-10-01), Staudt et al.
patent: 3842815 (1974-10-01), Bechstein et al.
patent: 4289101 (1981-09-01), Knorreck
patent: 4362139 (1982-12-01), Isobe et al.
patent: 4459956 (1984-07-01), Roca-Nierga et al.

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