Shaft relative speed limiting system

Details Shaft relative speed limiting system Shaft relative speed limiting system

1986-03-07

1987-05-12

Braun, Leslie

Machine element or mechanism

Gearing

Plural prime movers selectively coupled to common output

74675, 74711, F16H 3706, F16H 144

Patent

active

046639853

ABSTRACT:
In order to avoid a large torque spike in a system in the event of a system failure, a shaft relative speed limiting system includes a lost motion device and a brake. The lost motion device is operatively associated with a pair of shafts normally driven at selected speeds such that one of the shafts drives the other of the shafts in the event of a system failure. The brake is operatively associated with the pair of shafts normally driven at selected speeds through first and second portions of a relative speed limiting device and limits the relative speed between the shafts in the event of a system failure. Additionally, the first portion of the relative speed limiting device is normally driven by one of the shafts at the selected speed thereof and the second portion of the relative speed limiting device is normally driven by the other of the shafts at the slected speed thereof in the shaft relative speed limiting system.

REFERENCES:
patent: 2780893 (1957-02-01), Seborg et al.
patent: 2873620 (1959-02-01), Sinclair
patent: 2950086 (1960-08-01), Abraham
patent: 3782223 (1974-01-01), Watson
patent: 4188837 (1980-02-01), Bendall
patent: 4219107 (1980-08-01), Ford
patent: 4260121 (1981-04-01), Baston et al.
patent: 4493479 (1985-01-01), Clark

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