Tyre pressure monitoring sensor

• US 7,337,659 B2
• Filed: 10/14/2005
• Issued: 03/04/2008
• Est. Priority Date: 05/25/2004
• Status: Active Grant

• Current Assignee: Sensfab Pte., Ltd. (Mems Technology Berhad)
• Original Assignee: Sensfab Pte., Ltd. (Mems Technology Berhad)
• Inventors: Naidu, Srini, Kathigamasundaram, Sooriakumar, Chong, Wai Mun, Patmon, Bryan Keith
• Primary Examiner(s): Allen; Andre J.
• Application Number:
  US11/250,936
• Publication Number:
  US 20060032299A1
• Time in Patent Office: 872 Days
• Field of Search: 731/46, 340/445
• US Class Current: 73/146
• CPC Class Codes: B60C 23/0408 transmitting the signals by non-mechanical means from the wheel or tyre to a vehicle body mounted receiver
• CPC Class Codes: B60C 23/04985 using straps surrounding the rims

Abstract

The present invention relates to an apparatus for remote tire pressure monitoring that is secured onto a wheel surface. The apparatus as a unit comprises or includes a circuit including at least a sensor element to sense air pressure, signal processing circuitry, and data transmitting circuitry and an antenna. The apparatus also comprises or includes a housing at least partially contains the circuit. The housing retains the circuit and the housing and is itself engaged to the wheel surface by adhesion.

Claims

1. A method of packaging a remote tyre pressure monitoring unit for subsequent assembly by association with a wheel, said method comprising,

separately and serially encapsulating a plurality of said units between a film layer and encapsulation layer, one or both of which layers are conformed to at least partially enclose said units, said layers being adhered to one another to retain said units between them,

wherein said resulting separately and serially encapsulated units are wound onto a reel to form a tape and reel package for subsequent serial presentation of units, upon removal or at least one of said layers, prior to mounting.

2. A method according to claim 1, wherein the film layer may comprise a liner to protect an adhesive coating on the units.

3. A method according to claim 1, wherein the separately and serially encapsulated units are separated by perforations in the film layer.