Rotary kinetic fluid motors or pumps – Including shaft transmission train – brake – clutch – or... – Brake or clutch
Patent
1991-08-30
1992-11-17
Kwon, John T.
Rotary kinetic fluid motors or pumps
Including shaft transmission train, brake, clutch, or...
Brake or clutch
4151241, 188 715, 192 85R, F01D 1512
Patent
active
051638118
ABSTRACT:
A brake mechanism used in a vehicle comprises: a gear connected to an engine of the vehicle; a casing; a radial compressor disposed in the casing and having an impeller, an impeller shaft extending from the back of the impeller in the casing, a suction port, and an outlet port for sucking in air from the suction port, compressing it within the casing, and delivering it from the outlet port by the impeller; a gear that connects the impeller shaft with the engine output shaft gear; a shaft support for rotatably supporting the impeller shaft; and a recess formed in the back of the impeller for accepting the shaft support. The arrangement substantially raises the resonant vibration frequency of the impeller shaft due to a coupling imbalance derived from the impeller construction so that resonant vibration is prevented during ordinary engine operation since the length of the impeller shaft between the point of rotational support and its rear end is substantially elongated whereas the overhang, i.e., that distance between the point of rotational support to the impeller's center of gravity, is shortened. This arrangement, however, does not elongate the total length from the impeller tip to the impeller shaft rear end.
REFERENCES:
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patent: 2660033 (1953-11-01), Bowden et al.
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patent: 3961867 (1976-06-01), Woollenweber
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patent: 4882906 (1989-11-01), Sekiyama et al.
Gossett Dykema
Isuzu Motors Limited
Kwon John T.
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