Title:
MUFFLER
Document Type and Number:
WIPO Patent Application WO/1993/011347
Kind Code:
A1
Abstract:
A muffler (1) has an outer casing (4) within which a perforated baffle tube (6) is mounted, the baffle tube (6) having a shut-off valve (8) positioned therein so that the flow of exhaust gases (18) can be directed straight through the baffle tube (6) with the shut-off valve (8) open or diverted through the perforations (7) with the shut-off valve (8) closed or partly closed to increase the muffling effect and to slow the flow of gases through the muffler (1).
Inventors:
STEPHENS GRAEME CHARLES (NZ)
Application Number:
PCT/NZ1992/000001
Publication Date:
June 10, 1993
Filing Date:
December 04, 1992
Export Citation:
Assignee:
STEPHENS GRAEME CHARLES (NZ)
International Classes:
F01N1/16; F01N1/24; (IPC1-7): F01N1/16
Foreign References:
| US3154174A | 1964-10-27 | |||
| US2404589A | 1946-07-23 | |||
| US2072372A | 1937-03-02 | |||
| US1860892A | 1932-05-31 | |||
| US1840082A | 1932-01-05 | |||
| US1781001A | 1930-11-11 | |||
| US1553264A | 1925-09-08 | |||
| US1497714A | 1924-06-17 | |||
| AU485672A | ||||
| AU5286473A | 1974-09-05 |
Download PDF:
Previous Patent: ENGINE VALVE SEATING VELOCITY HYDRAULIC SNUBBER
Next Patent: PISTON ASSEMBLY WITH DISPLACEABLE PISTON COUPLING
Next Patent: PISTON ASSEMBLY WITH DISPLACEABLE PISTON COUPLING