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US4550795A Expired / Lapsed US ⏱️ 0.0 years remaining

Exhaust support system

Assignee: Toyota Motor Corp
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Filing: 1984-10-15
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Granted: 1985-11-05
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Expires: 2004-10-15
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Abstract

Abstract An exhaust support system for a midship engine rear wheel drive-type vehicle having a transversely mounted engine. The exhaust support system has a cylindrical exhaust device which is provided in a lateral direction across the vehicle. The exhaust device is mounted to a vehicle body by a mounting device which has a bracket secured to the vehicle body, a support rod fixed to the exhaust device at one end thereof, and a resilient member contained within the bracket for absorbing vibrations of the exhaust system.

Inventors

  • 👤 Hitoshi Teshima

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-01 21:36
CPC Classifications
F; F01; F01N; F01N13/00; F01N13/18; F01N13/1805; F01N13/1811; F01N13/1822; B; B60; B60K; B60K13/00; B60K13/04; F16; F16F; F16F1/00; F16F1/36; F16F1/38; F16F1/387

Claims Analysis

Total Claims: 19
Claim 1
Independent Claim 194 words
An exhaust support system for a midship engine rear wheel drive-type vehicle having a transversely mounted engine, comprising: a cylindrical exhaust device extending in a lateral direction across the vehicle, having an inlet passage and an outlet passage; an exhaust pipe having an inlet passage communicated with the engine and outlet passage communicated with said inlet passage of the exhaust device; a first and a second mounting means for mounting said cylindrical exhaust device onto a body portion of the vehicle, each of said mounting means comprising: a bracket secured onto the vehicle body portion; a resilient member having an upper surface and a lower surface, said resilient member being contained within said bracket such that the resilient member is fixed to said bracket at vertical portions thereof and a vertical clearance is provided between said upper surface on the resilient member and said vehicle body portion and a vertical clearance is provided between said lower surface of the resilient member and said bracket; and a support rod fixed to said cylindrical exhaust device at one end thereof and a second end is slidably fixed to said resilient member at a second end thereof.
Claim 2
Dependent Claim 194 words
An exhaust support system for a midship engine rear wheel drive-type vehicle having a transversely mounted engine, comprising: a cylindrical exhaust device extending in a lateral direction across the vehicle, having an inlet passage and an outlet passage; an exhaust pipe having an inlet passage communicated with the engine and outlet passage communicated with said inlet passage of the exhaust device; a first and a second mounting means for mounting said cylindrical exhaust device onto a body portion of the vehicle, each of said mounting means comprising: a bracket secured onto the vehicle body portion; a resilient member having an upper surface and a lower surface, said resilient member being contained within said bracket such that the resilient member is fixed to said bracket at vertical portions thereof and a vertical clearance is provided between said upper surface on the resilient member and said vehicle body portion and a vertical clearance is provided between said lower surface of the resilient member and said bracket; and a support rod fixed to said cylindrical exhaust device at one end thereof and a second end is slidably fixed to said resilient member at a second end thereof.
Claim 3
Dependent Claim 37 words
The exhaust support system of claim 1, wherein said first mounting means is provided adjacent said inlet passage of said exhaust device and said second mounting means is provided adjacent said outlet passage of said exhaust device.
Claim 4
Dependent Claim 23 words
The exhaust support system of claim 1, wherein said cylindrical exhaust device is a muffler for attenuating exhaust noise emitted from said engine.
Claim 5
Dependent Claim 89 words
The exhaust support system of claim 3, wherein said exhaust pipe comprises a first exhaust pipe having an inlet passage and an outlet passage, said inlet passage communicating with said engine at one end thereof, and a second exhaust pipe having an inlet passage and an outlet passage, said inlet passage communicating with said outlet passage of said first exhaust pipe and said outlet passage communicating with said muffler, whereby said first exhaust pipe longitudinally extends in the vehicle and said second exhaust pipe laterally extends across the vehicle.
Claim 6
Dependent Claim 140 words
The exhaust support system of claim 4, wherein the exhaust support system further comprises a third mounting means for mounting said first exhaust pipe to said vehicle body, said third mounting means comprising: a bracket secured onto the vehicle body portion, a resilient member having an upper surface and a lower surface, said resilient member being contained within said bracket such that the resilient member is fixed to said bracket at vertical positions thereof and a vertical clearance is proviced between said upper surface on the resilient member and said vehicle body portion and a vertical clearance is provided between said lower surface of the resilient member and said bracket; and a support rod fixed to said first exhaust pipe at one end thereof and a second end being slidably fixed to said resilient member at a second end thereof.
Claim 7
Dependent Claim 32 words
The exhaust support system of claim 5, wherein said resilient member has an opening therein and one end of said support rod is slidably fitted into said opening of said resilient member.
Claim 8
Dependent Claim 15 words
The exhaust support system of claim 6, wherein said opening has an oval shaped cross-section.
Claim 9
Dependent Claim 24 words
The exhaust support system of claim 7, wherein said resilient member is thin in a vertical direction thereof compared with a longitudinal thickness thereof.
Claim 10
Dependent Claim 12 words
The exhaust support system of claim 8, wherein said bracket is U-shaped.
Claim 11
Dependent Claim 26 words
The exhaust support system of claim 9, wherein said resilient member is vulcanized where said resilient member is fixed to said bracket at said vertical positions.
Claim 12
Dependent Claim 195 words
An exhaust support system for a midship engine rear wheel drive-type vehicle having a transversely mounted engine, comprising: a cylindrical exhaust device extending in a lateral direction across the vehicle, having an inlet passage and an outlet passage; an exhaust pipe having an inlet passage communicated with the engine and outlet passage communicated with said inlet passage of the exhaust device; a first and a second mounting means for mounting said cylindrical exhaust device onto a body portion of the vehicle, each of said mounting means comprising: a U-shaped bracket secured onto the vehicle body portion; a resilient member having an upper surface and a lower surface, said resilient member being contained within said bracket such that the resilient member is fixed to said bracket at vertical positions thereof and a vertical clearance is proviced between said upper surface on the resilient member and said vehicle body portion and a vertical clearance is provided between said lower surface of the resilient member and said bracket; and a support rod fixed to said cylindrical exhaust device at one end thereof and a second end being slidably fixed to said resilient member at a second end thereof.
Claim 13
Dependent Claim 195 words
An exhaust support system for a midship engine rear wheel drive-type vehicle having a transversely mounted engine, comprising: a cylindrical exhaust device extending in a lateral direction across the vehicle, having an inlet passage and an outlet passage; an exhaust pipe having an inlet passage communicated with the engine and outlet passage communicated with said inlet passage of the exhaust device; a first and a second mounting means for mounting said cylindrical exhaust device onto a body portion of the vehicle, each of said mounting means comprising: a U-shaped bracket secured onto the vehicle body portion; a resilient member having an upper surface and a lower surface, said resilient member being contained within said bracket such that the resilient member is fixed to said bracket at vertical positions thereof and a vertical clearance is proviced between said upper surface on the resilient member and said vehicle body portion and a vertical clearance is provided between said lower surface of the resilient member and said bracket; and a support rod fixed to said cylindrical exhaust device at one end thereof and a second end being slidably fixed to said resilient member at a second end thereof.
Claim 14
Dependent Claim 372 words
An exhaust support system for a midship engine rear wheel drive-type vehicle having a transversely mounted engine, comprising: a cylindrical muffler for attenuating exhaust noise emitted from the engine, said muffler extending in a lateral direction across the vehicle, said muffler also having an inlet passage and an outlet passage; a first exhaust pipe having an inlet passage and an outlet passage, said inlet passage communicating with said engine at one end thereof, and a second exhaust pipe having an inlet passage and an inlet passage and an outlet passage, said inlet passage communicating with said outlet passage of said first exhaust pipe and said outlet passage communicating with said muffler, whereby said first exhaust pipe longitudinally extends in the vehicle and said second exhaust pipe laterally extends across the vehicle; a first and a second mounting means for mounting said cylindrical exhaust device onto a vehicle body portion of the vehicle, each of said mounting means comprising: a bracket secured onto the vehicle body portion; a resilient member having an upper surface and a lower surface, said resilient member being contained within said bracket such that the resilient member is fixed to said bracket at vertical positions thereof and a vertical clearance is proviced between said upper surface of the resilient member and said vehicle body portion and a vertical clearance is provided between said lower surface of the resilient member and said bracket; and a support rod fixed to said muffler at one end thereof and a second end being slidably fixed to said resilient member at a second end thereof; and a third mounting means for mounting said first exhaust pipe to said vehicle body, said third mounting means comprising: a resilient member having an upper surface and a lower surface, said resilient member being contained within said bracket such a that the resilient member is fixed to said bracket at vertical positions thereof and a vertical clearance is provided between said upper surface of the resilient member and said vehicle body portion and a vertical clearance is provided between said lower surface of the resilient member and said bracket; and a support rod fixed to said first exhaust pipe at one end thereof and a second end thereof.
Claim 15
Dependent Claim 372 words
An exhaust support system for a midship engine rear wheel drive-type vehicle having a transversely mounted engine, comprising: a cylindrical muffler for attenuating exhaust noise emitted from the engine, said muffler extending in a lateral direction across the vehicle, said muffler also having an inlet passage and an outlet passage; a first exhaust pipe having an inlet passage and an outlet passage, said inlet passage communicating with said engine at one end thereof, and a second exhaust pipe having an inlet passage and an inlet passage and an outlet passage, said inlet passage communicating with said outlet passage of said first exhaust pipe and said outlet passage communicating with said muffler, whereby said first exhaust pipe longitudinally extends in the vehicle and said second exhaust pipe laterally extends across the vehicle; a first and a second mounting means for mounting said cylindrical exhaust device onto a vehicle body portion of the vehicle, each of said mounting means comprising: a bracket secured onto the vehicle body portion; a resilient member having an upper surface and a lower surface, said resilient member being contained within said bracket such that the resilient member is fixed to said bracket at vertical positions thereof and a vertical clearance is proviced between said upper surface of the resilient member and said vehicle body portion and a vertical clearance is provided between said lower surface of the resilient member and said bracket; and a support rod fixed to said muffler at one end thereof and a second end being slidably fixed to said resilient member at a second end thereof; and a third mounting means for mounting said first exhaust pipe to said vehicle body, said third mounting means comprising: a resilient member having an upper surface and a lower surface, said resilient member being contained within said bracket such a that the resilient member is fixed to said bracket at vertical positions thereof and a vertical clearance is provided between said upper surface of the resilient member and said vehicle body portion and a vertical clearance is provided between said lower surface of the resilient member and said bracket; and a support rod fixed to said first exhaust pipe at one end thereof and a second end thereof.
Claim 16
Dependent Claim 12 words
The exhaust support system of claim 12, wherein said bracket is U-shaped.
Claim 17
Dependent Claim 32 words
The exhaust support system of claim 13, wherein said resilient member has an opening therein and one end of said support rod is slidably fitted into said opening of said resilient member.
Claim 18
Dependent Claim 15 words
The exhaust support system of claim 14, wherein said opening has an oval shaped cross-section.
Claim 19
Dependent Claim 24 words
The exhaust support system of claim 15, wherein said resilient member is thin in a vertical direction thereof compared with a longitudinal thickness thereof.

References Cited (Backward Citations)

US2227306A Cited
US2267431A Cited
US2869811A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1988-11-04 1989-05-06 1989-11-05 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1992-11-04 1993-05-06 1993-11-05 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1996-11-04 1997-05-06 1997-11-05 $7700.00 Window Closed / Lapsed

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