US5158061A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Exhaust gas recirculation supply tube for automotive engine
Assignee: Ford Global Technologies LLC
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Filing: 1991-11-29
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Granted: 1992-10-27
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Expires: 2011-11-29
Abstract
Abstract An exhaust gas recirculation supply tube for an automotive engine includes an inlet tube with a first end adapted for connection with a source of exhaust gas from an engine and a second end having one portion of a telescoping joint, and an outlet tube with a first end adapted for connection with an exhaust gas recirculation control and a second end having a telescoping joint portion slidingly engaged with the telescoping joint portion of the inlet tube. A gas sealing member extends about the telescoping joint portions of the inlet and outlet tubes.
Inventors
- 👤 Donald A. Monteith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 07:51
CPC Classifications
F; F16; F16L; F16L27/00; F16L27/10; F16L27/1004; F02; F02M; F02M26/00; F02M26/12; F02M26/13; F02M26/14; F02M26/41; F16L51/00; F16L51/02; F16L51/025
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
94 words
An exhaust gas recirculation supply tube for an automotive engine, comprising: an inlet tube with a first end adapted for connection with a source of exhaust gas from an engine and a second end having one portion of a telescoping joint; an outlet tube with a first end adapted for connection with an exhaust gas recirculation control and a second end having a telescoping joint portion slidingly engaged with the telescoping joint portion of said inlet tube; and a gas sealing member extending about the telescoping joint portions of said inlet and outlet tubes.
Claim 2
Dependent Claim
94 words
An exhaust gas recirculation supply tube for an automotive engine, comprising: an inlet tube with a first end adapted for connection with a source of exhaust gas from an engine and a second end having one portion of a telescoping joint; an outlet tube with a first end adapted for connection with an exhaust gas recirculation control and a second end having a telescoping joint portion slidingly engaged with the telescoping joint portion of said inlet tube; and a gas sealing member extending about the telescoping joint portions of said inlet and outlet tubes.
Claim 3
Dependent Claim
18 words
An exhaust gas recirculation supply tube according to claim 1, wherein said gas sealing member is axially compliant.
Claim 4
Dependent Claim
37 words
An exhaust gas recirculation supply tube according to claim 2, wherein said gas sealing member comprises a convoluted tube which is generally coaxial with the axis of the telescoping joint portions of said inlet and outlet tubes.
Claim 5
Dependent Claim
119 words
An exhaust gas recirculation supply tube for an automotive engine, comprising: an inlet tube with a first end connected to a source of exhaust gas from said engine and a second end having one portion of a telescoping joint; an outlet tube with a first end connected to an exhaust gas recirculation valve and a second end having a telescoping joint portion slidingly engaged with the telescoping joint portion of said inlet tube; and an axially compliant gas sealing member extending about the telescoping joint portions of said inlet and outlet tubes, with said gas sealing member comprising a convoluted tube which is generally coaxial with the axis of the telescoping joint portions of said inlet and outlet tubes.
Claim 6
Dependent Claim
119 words
An exhaust gas recirculation supply tube for an automotive engine, comprising: an inlet tube with a first end connected to a source of exhaust gas from said engine and a second end having one portion of a telescoping joint; an outlet tube with a first end connected to an exhaust gas recirculation valve and a second end having a telescoping joint portion slidingly engaged with the telescoping joint portion of said inlet tube; and an axially compliant gas sealing member extending about the telescoping joint portions of said inlet and outlet tubes, with said gas sealing member comprising a convoluted tube which is generally coaxial with the axis of the telescoping joint portions of said inlet and outlet tubes.
References Cited (Backward Citations)
US3369829A
Cited
SU436961A1
Cited
US4171689A
Cited
US4659117A
Cited
US4613170A
Cited
US4747624A
Cited
US4792161A
Cited
US4969445A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1995-10-27 | 1996-04-27 | 1996-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1999-10-27 | 2000-04-27 | 2000-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2003-10-27 | 2004-04-27 | 2004-10-27 | $7700.00 | Window Closed / Lapsed |