Patent ID: 6035732
Filing Date: 2000-03-14
Classification: F02N,Y10T

Abstract:
A starter for an engine, comprising:a housing;a starter motor being provided in said housing and having a field apparatus including a tubular yoke, said yoke being provided to form a part of said housing;an annular ventilation passage being defined along an inner periphery of said yoke;a first ventilation hole being defined proximate a bottom portion of said housing for interconnecting an inside of said ventilation passage to an outside of said housing; anda second ventilation hole being defined proximate a top portion of said ventilation passage for interconnecting said inside of said ventilation passage to an inside of said starter motor, wherein:said ventilation passage further includes a partition wall and a passage wall portion;said partition wall protrudes from said yoke toward said inside of said yoke for dividing said housing;said passage wall portion forms said ventilation passage together with a part of said partition wall and a part of said inner periphery of said yoke; andsaid second ventilation hole is defined proximate a top portion of said passage wall portion.