Machine element or mechanism – Engine starters
Patent
1979-10-11
1981-06-23
Herrmann, Allan D.
Machine element or mechanism
Engine starters
74 7E, 74421A, 123179F, F02N 708, F02N 1502
Patent
active
042742927
ABSTRACT:
A compact starter for internal combustion engines features a torque transfer assembly in which a drive motor and a drive pinion are mounted in side-by-side, parallel relation. The power shaft of the drive motor and the pinion shaft of the pinion are coupled together in driving engagement by a gear train assembly including a housing having coupling surfaces which permit the drive motor and drive pinion to be positionally rotated independently with respect to each other for accomodating the mounting clearance requirements of different engines. The gear train assembly features an idler gear which transfers torque from a motor pinion mounted on the power shaft and a pinion gear mounted on the pinion shaft. The idler shaft is confined between the drive motor and the torque transfer housing in a compact arrangement which permits efficient torque transfer in the side-by-side, parallel mounting arrangement without interferring with independent mounting adjustment of the drive motor relative to the drive pinion. The structure of the drive pinion shaft is simplified by a bearing support arrangement in which one end of the pinion drive shaft is journaled within the pinion housing, with the opposite end being journaled within the gear housing on a roller bearing assembly mounted on an extended bearing surface of the drive gear and confined within the gear train housing. According to this bearing arrangement, the conventional bearing adapters are eliminated and the machining operations required for producing multiple shaft diameters for use with the bearing adapters are avoided.
REFERENCES:
patent: 1217815 (1917-02-01), Payne
patent: 2014258 (1935-09-01), Lansing
patent: 2882421 (1959-04-01), Mendenhall
patent: 3021715 (1962-02-01), Lorean et al.
patent: 3463951 (1969-08-01), Bauerle et al.
patent: 3744467 (1973-07-01), Wagner
patent: 3771372 (1973-11-01), Asahi et al.
patent: 3816040 (1974-06-01), Janik
patent: 3999531 (1976-12-01), Taylor
patent: 4080541 (1978-03-01), Mazzorana
Griggs Dennis T.
Herrmann Allan D.
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