US4506749A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Underhood muffler for tractor
Assignee: Deutz Allis Corp
•
Filing: 1981-12-30
•
Granted: 1985-03-26
•
Expires: 2001-12-30
Abstract
Abstract An underhood muffler mounted in the engine compartment of a motor vehicle supported on the turbo-charger and a resilient support supported on the engine.
Inventors
- 👤 Gerald E. Sieren
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 10:34
CPC Classifications
F; F01; F01N; F01N13/00; F01N13/18; F01N13/1805; F01N13/1811; F01N13/08; F02; F02B; F02B67/00; F02B67/10; F01N2590/00; F01N2590/08; Y; Y10; Y10S; Y10S248/00; Y10S248/901
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
102 words
An underhood muffler for an internal combustion engine on a tractor comprising, an engine hood defining an engine compartment, an internal combustion engine in the engine compartment, a muffler carrying an exhaust pipe mounted between said hood and engine, said exhaust pipe extending through an opening in said hood, an exhaust manifold on said engine, an exhaust gas passage means partially supported by said exhaust manifold and partially supporting said muffler, a flexible muffler support plate mounted on said engine partially and nonrotatably supporting said muffler on at least two points and allowing axial thermal expansion of said muffler during normal operation.
Claim 2
Dependent Claim
102 words
An underhood muffler for an internal combustion engine on a tractor comprising, an engine hood defining an engine compartment, an internal combustion engine in the engine compartment, a muffler carrying an exhaust pipe mounted between said hood and engine, said exhaust pipe extending through an opening in said hood, an exhaust manifold on said engine, an exhaust gas passage means partially supported by said exhaust manifold and partially supporting said muffler, a flexible muffler support plate mounted on said engine partially and nonrotatably supporting said muffler on at least two points and allowing axial thermal expansion of said muffler during normal operation.
Claim 3
Dependent Claim
26 words
An underhood muffler for an internal combustion engine on a tractor as set forth in claim 1 including, an intake manifold partially supporting said passage means.
Claim 4
Dependent Claim
38 words
An underhood muffler for an internal combustion engine on a tractor as set forth in claim 2 wherein said exhaust gas passage means on said manifolds includes a turbo-charger having an exhaust discharge pipe for supporting said muffler.
Claim 5
Dependent Claim
61 words
An underhood muffler for an internal combustion engine on a tractor as set forth in claim 2 including, an air cleaner mounted under said engine hood, said exhaust gas passage means defining a turbo-charger, conduit means connecting said air cleaner to said turbo-charger, said turbo-charger including a compressor receiving air from said conduit means for supplying air to said intake manifold.
Claim 6
Dependent Claim
47 words
An underhood muffler for an internal combustion engine on a tractor as set forth in claim 1 wherein said passage means includes a turbo-charger, said exhaust gas turbo-charger includes an air compressor, an air cleaner mounted within said engine hood for supplying air to said air compressor.
Claim 7
Dependent Claim
53 words
An underhood muffler for an internal combustion engine on a tractor as set forth in claim 1 wherein said hood defines an auxiliary compartment, said exhaust gas passage means defines a turbo-charger, an air cleaner received within said auxiliary compartment, an inlet air conduit means connected between said air cleaner and said turbo-charger.
Claim 8
Dependent Claim
57 words
An underhood muffler for an internal combustion engine on a tractor as set forth in claim 1 wherein said muffler support plate includes at least two bolts on said plate supporting one end of said muffler to provide a three-point support of said muffler for maintaining alignment of the exhaust pipe in the opening of said hood.
Claim 9
Dependent Claim
36 words
An underhood muffler for an internal combustion engine on a tractor as set forth in claim 6 wherein said hood includes a removable side panel permitting access to said muffler and said air cleaner for servicing.
Claim 10
Dependent Claim
42 words
An underhood muffler for an internal combustion engine on a tractor as set forth in claim 1 including an intake manifold, said exhaust gas passage means including a turbo-charger mounted on said manifolds and having a turbine discharge passage supporting said muffler.
References Cited (Backward Citations)
US327674A
Cited
US2912198A
Cited
US3419892A
Cited
US3601343A
Cited
US3743045A
Cited
USB327674I5
Cited
US3933216A
Cited
US4339919A
Cited
US4371047A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1988-03-25 | 1988-09-24 | 1989-03-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-03-25 | 1992-09-24 | 1993-03-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-03-25 | 1996-09-24 | 1997-03-26 | $7700.00 | Window Closed / Lapsed |