Engine exhaust pipe

Details Engine exhaust pipe Engine exhaust pipe

1995-12-29

1998-11-10

Hart, Douglas

Power plants

Internal combustion engine with treatment or handling of...

Having means analyzing composition of exhaust gas

60322, 204424, 204427, F01N 710

Patent

active

058327231

ABSTRACT:
The exhaust pipe of an engine has a double-wall structure consisting of an inner pipe and an outer pipe, and the inner pipe is spaced from the outer pipe with a predetermined clearance (heat insulating layer). The exhaust pipe includes a fitting for connecting other parts. At this fitting portion, the outer pipe has a outer hole. Likewise, the inner pipe has an inner hole. A nipple is situated on the outer pipe around the edge of the outer hole and is fixed to the outer pipe. An oxygen sensor is fitted to the nipple, and it extends through the inner hole of the inner pipe. A seal which is provided between the oxygen sensor and the flat portion of the inner pipe slidably contacts the step and the flat portion such that the fitting is unaffected by unequal thermal expansion between the inner and outer pipes.

REFERENCES:
patent: 3768259 (1973-10-01), Carnahan
patent: 4617795 (1986-10-01), Abthoff
patent: 4747624 (1988-05-01), Faber et al.
patent: 4969445 (1990-11-01), Hertweck et al.

Affiliated with

Also associated with

Rating

Engine exhaust pipe does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Engine exhaust pipe, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Engine exhaust pipe will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1505892