Engine, engine manufacturing method and engine heat

Details Engine, engine manufacturing method and engine heat Engine, engine manufacturing method and engine heat

1997-11-26

1999-09-14

Wolfe, Willis R.

Internal-combustion engines

Charge forming device

Exhaust gas used with the combustible mixture

12356827, 12356829, 123198E, F02M 2507

Patent

active

059506040

ABSTRACT:
A heat blocking member is fixed to a part of an engine in order to protect a signal wire or the like situated nearby from heat generated by the exhaust recirculation device. The exhaust recirculation device comprises an exhaust recirculation passage connecting an intake passage and an exhaust passage of the engine, a valve for opening and closing the exhaust recirculation passage and a drive mechanism for opening the valve. The valve is normally closed. By forming a specific part of the drive mechanism in a one-piece construction In with the heat blocking member, exhaust recirculation is prevented from taking place when the heat blocking member is not attached.

REFERENCES:
patent: 2722927 (1955-11-01), Cornelius
patent: 3782348 (1974-01-01), Linder
patent: 3791360 (1974-02-01), Rieger
patent: 4413605 (1983-11-01), Leoni
patent: 5433183 (1995-07-01), Vansnick
patent: 5494255 (1996-02-01), Pearson et al.
patent: 5603297 (1997-02-01), Wolf et al.
patent: 5649510 (1997-07-01), Linze
patent: 5669364 (1997-09-01), Everingham

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