Exhaust probe arrangement for small watercraft engine

Details Exhaust probe arrangement for small watercraft engine Exhaust probe arrangement for small watercraft engine

1997-03-19

1999-08-03

Swinehart, Ed L.

Marine propulsion

Means for accomodating or moving engine fluids

Means for handling exhaust gas

114 555, 60321, 60276, B63H 2132

Patent

active

059317124

ABSTRACT:
An improved exhaust probe arrangement within an exhaust system of a small watercraft increases the accuracy of the probe's readings. The aperture is located upstream of a point where cooling water is introduced into the exhaust system for silencing purposes. As a result, the ingress and egress of exhaust gases flow into and out of the aperture is generally unimpeded by the cooling water. The tendency of water to enter and clog the aperture is also reduced. The precision of the exhaust probe measurements consequently is greatly increased.

REFERENCES:
patent: 3109510 (1963-11-01), Phelan
patent: 4957461 (1990-09-01), Nakayama
patent: 5167934 (1992-12-01), Wolf et al.
patent: 5212949 (1993-05-01), Shiozawa
patent: 5497724 (1996-03-01), Brown et al.
patent: 5666935 (1997-09-01), Kato

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