← Back to Patent Explorer
US5090237A Expired / Lapsed US ⏱️ 0.0 years remaining

Pressure sensor for determining tire pressure

Assignee: Robert Bosch GmbH
•
Filing: 1989-03-08
•
Granted: 1992-02-25
•
Expires: 2009-03-08
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract A pressure sensor for determining air pressure in an interior of a motor vehicle tire has a housing for extending into a recess formed in a rim wall of the tire, and an annular flange located on the housing and supporting a spring against a side of the rim wall which spring provides for clamping an outer flange portion of the pressure sensor housing against another side of the rim wall.

Inventors

  • 👤 Hans Schrumpf
  • 👤 Lothar Haas
  • 👤 Gerhard Hettich

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 22:53
CPC Classifications
B; B60; B60C; B60C23/00; B60C23/02; B60C23/04; B60C23/0491; B60C23/0498; F; F16; F16B; F16B21/00; F16B21/10; F16B21/16

Claims Analysis

Total Claims: 8
Claim 1
Independent Claim 105 words
A pressure sensor for determining air pressure in an interior of a motor vehicle tubeless tire having a rim wall and a recess forming an opening in the rim wall, said pressure sensor comprising a housing for extending into the rim wall recess, and having an outer flange portion for engaging a first side of the rim wall; annular flange means located on said housing in a spaced relationship relative to said rim wall and spring means supportable by said annular flange means against a second side of the rim wall for clamping said outer flange portion against the first side of the rim wall.
Claim 2
Dependent Claim 105 words
A pressure sensor for determining air pressure in an interior of a motor vehicle tubeless tire having a rim wall and a recess forming an opening in the rim wall, said pressure sensor comprising a housing for extending into the rim wall recess, and having an outer flange portion for engaging a first side of the rim wall; annular flange means located on said housing in a spaced relationship relative to said rim wall and spring means supportable by said annular flange means against a second side of the rim wall for clamping said outer flange portion against the first side of the rim wall.
Claim 3
Dependent Claim 29 words
A pressure sensor as set for in claim 1, further comprising a sealing O-ring, said outer flange portion having a circumferentially extending annular groove for receiving said sealing O-ring.
Claim 4
Dependent Claim 44 words
A pressure sensor as set forth in claim 1, wherein the first side of the rim wall has a conical surface and said outer flange portion has a corresponding conical shape for engaging the conical surface of the first side of the rim wall.
Claim 5
Dependent Claim 32 words
A pressure sensor as set forth in claim 1, said annular flange means comprises two corresponding annular disc halves, said housing having an annular groove for receiving said two annular disc halves.
Claim 6
Dependent Claim 17 words
A pressure sensor as set forth in claim 1, wherein said spring means comprises a plate spring.
Claim 7
Dependent Claim 38 words
A pressure sensor as set forth in claim 5, wherein said annular disc halves have one of projections and recesses, and said plate spring has another of projections and recesses engageable with said one of projections and recesses.
Claim 8
Dependent Claim 23 words
A pressure sensor as set forth in claim 5, wherein said plate spring has circumferentially extending bead engageable with said annular flange means.

References Cited (Backward Citations)

US2868908A Cited
US3881170A Cited
US4768375A Cited
US4790179A Cited
US4843872A Cited
US5035137A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1995-02-24 1995-08-26 1996-02-25 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1999-02-24 1999-08-26 2000-02-25 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2003-02-24 2003-08-26 2004-02-25 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag