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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
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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
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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

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