Starter for cranking internal combustion engine

Details Starter for cranking internal combustion engine Starter for cranking internal combustion engine

2005-09-16

2010-02-16

Ridley, Richard W L (Department: 3656)

Machine element or mechanism

Engine starters

Automatic

C074S006000

Reexamination Certificate

active

07661330

ABSTRACT:
A rotational torque of an electric motor of a starter is transmitted to an output shaft having a pinion gear engaging with a ring gear of an internal combustion engine via a one-way clutch. A tube forming a clutch-inner and the output shaft are spline-coupled to allow the output shaft to reciprocally move in the axial direction while transmitting the rotational torque of the tube to the output shaft. The output shaft is slidably supported by a supporting portion formed at a front end of the tube. To establish air communication between an inside space of the tube and an outside space, an air passage is formed either in the supporting portion or on the output shaft. Pressure changes in the inner space due to reciprocal movement of the output shaft are suppressed by air communication through the air passage, and lubricant in the tube is well retained therein.

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U.S. Appl. No. 11/066,134, filed Feb. 25, 2005, Kazuaki Murase et al.

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