Double mold shot pull to seat universal TPMS sensor
US7336162B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 21, 2005 |
| Grant date | Feb 26, 2008 |
| Priority date | — |
| Expiry date | Jul 27, 2026 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/3646
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A tire pressure sensor assembly is provided for use with a wheel rim including a valve hole. The sensor assembly including a metal valve stem element having a stem base, a stem body, a stem cap end, and an inner stem chamber. A lower sensor housing is rigidly over-molded onto the stem base and forms a sensor storage chamber. A tire pressure sensor element is mounted therein. An outer rubber seal is over-molded onto the stem body and includes an inner retention portion, an outer retention portion, and a retention groove configured to allow the metal valve stem element to be press-fit and retained into the valve hole. A plurality of vent holes are formed spaced around an outer perimeter of the stem base to allow universal orientation within the valve hole.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.