Exhaust silencer unit for propulsion unit

Details Exhaust silencer unit for propulsion unit Exhaust silencer unit for propulsion unit

1990-08-20

1992-03-17

Sotelo, Jesus D.

Marine propulsion

Jet drive

440 89, 114270, B63H 2138

Patent

active

050964461

ABSTRACT:
A number of embodiments of exhaust silencers for marine propulsion units including an exhaust device having a first expansion chamber, a pair of second expansion chambers and a third expansion chamber all formed within a common housing. The flow of exhaust gases is from the exhaust of the engine into the first expansion chamber, directly from the first expansion chamber into each of the pair of second expansion chambers and directly from the second expansion chambers to the third expansion chamber. In all embodiments the flow from the second expansion chambers to the third expansion chamber is in confronting relationships so as to improve silencing. In one embodiment, the second expansion chambers have different effective volumes so as to provide an extended range of tuning for the silencing.

REFERENCES:
patent: 2682854 (1954-07-01), Cohen
patent: 3296997 (1967-01-01), Hoiby et al.
patent: 4019456 (1977-04-01), Harbert
patent: 4303401 (1981-12-01), Sanmi et al.
patent: 4421490 (1983-12-01), Nakahama
patent: 4795383 (1989-01-01), Binversie et al.
patent: 4906214 (1990-03-01), Towner
patent: 4965997 (1990-10-01), Suzuki et al.

Affiliated with

Also associated with

Rating

Exhaust silencer unit for propulsion unit does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Exhaust silencer unit for propulsion unit, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Exhaust silencer unit for propulsion unit will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1472506