Electrically-driven thrust generator

Details Electrically-driven thrust generator Electrically-driven thrust generator

1995-05-11

1997-05-06

Herrmann, Allan D.

Machine element or mechanism

Mechanical movements

Rotary to intermittent unidirectional motion

74337, 74640, 192146, 477 9, F16H 2922

Patent

active

056260555

ABSTRACT:
An electrically-driven thrust generator is provided, which can contribute energy saving, and has properties (thrust controllability, swift action etc.) equivalent to hydraulic cylinders and contributes to solve problems (leakage etc.) associated with oil pipings. The electrically-driven thrust generator comprises a motor 3, a variable reduction ratio speed reducers 5, a rotary motion to linear motion converting mechanism 7, a thrust rod 121 linearly driven by this rotary motion to linear motion converting mechanism 7. The present invention is characterized in that the rotary motion to linear motion converting mechanism 7 comprises an oscillating crank plate driven rack mechanism, which provides a compact and powerful electrically-driven thrust generator equivalent to hydraulic thrust generator.

REFERENCES:
patent: 942913 (1909-12-01), Keller
patent: 4648756 (1987-03-01), Alexander et al.
patent: 4822215 (1989-04-01), Alexander
patent: 5187994 (1993-02-01), Hirai et al.

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