Inlet tube for an internal combustion engine

Details Inlet tube for an internal combustion engine Inlet tube for an internal combustion engine

1994-09-27

1995-12-12

Macy, Marguerite

Internal-combustion engines

Intake manifold

Manifold tuning, balancing or pressure regulating means

12318461, F02M 2900

Patent

active

054740398

ABSTRACT:
An inlet tube (13) for interconnecting a carbureter (11) and an inlet pipe socket (12) of an internal combustion engine, especially in a motor saw, is made of a flexible material and provided with a bellows (16) for allowing relative movement between the carbureter and the engine. In order to prevent accumulation of fuel in the bellows, a telescopically slidable tube piece (17) is provided radially inside the bellows. The tube piece has an outer sealing surface cooperating with a complementary, surrounding sealing surface of the inlet pipe socket (12) in order to isolate the bellows from the interior of the inlet tube. The bellows is arranged adjacent to the intake pipe socket (12) in order to evaporate any liquid fuel accumulated in the bellows by heat supplied by said intake pipe socket.

REFERENCES:
patent: 4711225 (1987-12-01), Holderle et al.
patent: 4835866 (1989-06-01), Nagashima et al.
patent: 4903644 (1990-02-01), Groger et al.
patent: 5065708 (1991-11-01), Wehle et al.

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