Outboard motor having seal structure for exhaust release pipe

Details Outboard motor having seal structure for exhaust release pipe Outboard motor having seal structure for exhaust release pipe

2007-11-13

2007-11-13

Sotelo, Jesús D (Department: 3617)

Marine propulsion

Means for accomodating or moving engine fluids

Means for handling exhaust gas

C123S19800E

Reexamination Certificate

active

11203351

ABSTRACT:
An outboard motor includes an elastic seal lid attached to an under cover to form a hermetic seal between the under cover and an exhaust release pipe while closing an opening of the under cover from which an outlet portion of the exhaust release pipe projects outwardly. The seal lid includes a tubular seal portion projecting from at least one surface of a plate-like body of the seal lid. The tubular seal portion has annular seal lips fitted around an outer circumferential surface of the exhaust release pipe. The tubular seal portion is elastically deformable relative to the lid body to thereby take up or absorb an offset between the exhaust release pipe and the opening of the under cover produced due to cumulative manufacturing and assembling tolerances of relevant parts of the outboard motor.

REFERENCES:
patent: 4955838 (1990-09-01), Wenstadt
patent: 5378180 (1995-01-01), Nakayama et al.
patent: 5494467 (1996-02-01), Sohgawa et al.
patent: 6283809 (2001-09-01), Takase et al.

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