WO2008043184B1 - Methods and apparatus for mounting a sensor inside a wheel cavity - Google Patents
Methods and apparatus for mounting a sensor inside a wheel cavityInfo
- Publication number
- WO2008043184B1 WO2008043184B1 PCT/CA2007/001828 CA2007001828W WO2008043184B1 WO 2008043184 B1 WO2008043184 B1 WO 2008043184B1 CA 2007001828 W CA2007001828 W CA 2007001828W WO 2008043184 B1 WO2008043184 B1 WO 2008043184B1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- sensor
- antenna
- projection
- tab
- conductor
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
- G01L19/08—Means for indicating or recording, e.g. for remote indication
- G01L19/086—Means for indicating or recording, e.g. for remote indication for remote indication
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C23/00—Devices for measuring, signalling, controlling, or distributing tyre pressure or temperature, specially adapted for mounting on vehicles; Arrangement of tyre inflating devices on vehicles, e.g. of pumps or of tanks; Tyre cooling arrangements
- B60C23/02—Signalling devices actuated by tyre pressure
- B60C23/04—Signalling devices actuated by tyre pressure mounted on the wheel or tyre
- B60C23/0408—Signalling devices actuated by tyre pressure mounted on the wheel or tyre transmitting the signals by non-mechanical means from the wheel or tyre to a vehicle body mounted receiver
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C23/00—Devices for measuring, signalling, controlling, or distributing tyre pressure or temperature, specially adapted for mounting on vehicles; Arrangement of tyre inflating devices on vehicles, e.g. of pumps or of tanks; Tyre cooling arrangements
- B60C23/02—Signalling devices actuated by tyre pressure
- B60C23/04—Signalling devices actuated by tyre pressure mounted on the wheel or tyre
- B60C23/0491—Constructional details of means for attaching the control device
- B60C23/0496—Valve stem attachments positioned outside of the tyre chamber
Abstract
An apparatus and method for mounting a sensor having an antenna inside a wheel cavity is disclosed. The apparatus includes a body having a holder for holding the sensor. The apparatus also includes a passive antenna circuit electrically isolated from the antenna of the sensor. The passive antenna circuit includes a receiving antenna adjacent a first end of the holder, for receiving radio frequency energy radiated by the antenna of the sensor. The passive antenna circuit also includes a conductor electrically connected to the receiving antenna and extending inside the holder. The passive antenna circuit further includes a mount on a second end of the holder, opposite the first end, the mount being electrically connected to the conductor and operably configured to mechanically connect the conductor to an interior extending portion of an electrically conductive valve stem of the wheel and to electrically connect the conductor to the interior extending portion such that an exterior extending portion of the valve stem radiates at least some radio frequency energy coupled into the receiving antenna from the antenna of the sensor.
Claims
AMENDED CLAIMS received by the International Bureau on 03 April 2008 (03.04.2008)
-21-
16, The apparatus of claim 10 wherein said holder comprises a projection operably configured to be received in an opening of the sensor,
17. The apparatus of claim 16 wherein said projection is formed of an electrically insulating material,
18, The apparatus of claim 17 wherein said conductor includes a recess for receiving at least some of said electrically insulating material to prevent separation of said electrically insulating material from said conductor.
19. The apparatus of claim 16 wherein said projection includes a stopper for stopping relative movement between the sensor and the projection.
20, The apparatus of claim 19 wherein said stopper comprises a tab operably configured to interfere with movement of the sensor to confine the sensor between said receptacle and said tab,
21. The apparatus of claim 19 wherein said tab includes aresilient portion permitting the tab to be moved into a first position enabling relative movement between the sensor and said projection and said resilient portion urging the tab into g second position in which said tab interferes with movement of the sensor relative to the projection.
22. The apparatus of claim 10 wherein said mount comprises a connector having a wall having a recess for receiving a complementary portion of said interior extending portion of the valve stem and wherein said wall has an elongated opening for receiving a fastener therethrough to mechanically secure said connector to the valve stem.
23, Use of the apparatus of claim 10 for mounting inside a wheel cavity of a wheel on which a tire is mounted said sensor having said antenna for
radio frequency transmitting a representation of an operating condition of the tire to a remote receiver.
24. An apparatus for mounting a sensor having an antenna inside a wheel cavity, the apparatus comprising:
holding means for holding the sensor inside the wheel cavity; and
electrically isolated radio frequency coupling means electrically isolated from the antenna of the sensor, for coupling radio frequency energy transmitted by the antenna of the sensor to an interior extending portion of an electrically conductive valve stem of the wheel such that an exterior extending portion of the valve stem radiates, outside the wheel cavity, at least some of said radio frequency energy coupled from the antenna of the sensor.
25. The apparatus of claim 24 wherein said radio frequency coupling means comprises a passive antenna circuit comprising:
a receiving antenna adjacent a first end of the holding means, for receiving radio frequency energy radiated by the antenna of the sensor;
a conductor electrically connected to the receiving antenna and extending inside the holding means;
a mount on a second end of the holding means, said mount being electrically connected to the conductor and operably configured to mechanically connect the holding means to the interior extending portion of the valve stem
-24_
receptacle and said mount are disposed at opposite ends of said projection.
33. The apparatus of claim 31 wherein said projection is formed of an electrically insulating material.
34. Thθ apparatus of claim 33 wherein said conductor includes means for preventing separation of said electrically insulating material from said conductor,
35. The apparatus of claim 34 wherein said means for preventing separation comprises a recess in said conductor, for receiving at least some of said electrically insulating material to prevent separation of said electrically insulating material from said conductor.
36. The apparatus of claim 31 wherein said projection includes stopping means for stopping relative movement between the sensor and the projection.
37. The apparatus of claim 36 wherein said positioning means comprises a receptacle adjacent the holding means, said receptacle being operably configured to receive the antenna of the sensor and wherein said stopping means comprises a tab operably configured to interfere with movement of the sensor to confine the sensor on the projection between said receptacle and said tab.
38. The apparatus of claim 37 wherein said tab includes a resilient portion permitting the tab to be moved into a first position enabling relative movement between the sensor and said projection and said resilient portion urging the tab into a second position in which said tab interferes with relative movement between the sensor and said projection.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/580,693 US7421902B2 (en) | 2006-10-13 | 2006-10-13 | Fluid pressure sensing method and apparatus |
US11/580,693 | 2006-10-13 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2008043184A1 WO2008043184A1 (en) | 2008-04-17 |
WO2008043184B1 true WO2008043184B1 (en) | 2008-06-12 |
Family
ID=39282376
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/CA2007/001811 WO2008043177A1 (en) | 2006-10-13 | 2007-10-11 | Fluid pressure sensing method and apparatus |
PCT/CA2007/001828 WO2008043184A1 (en) | 2006-10-13 | 2007-10-12 | Methods and apparatus for mounting a sensor inside a wheel cavity |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/CA2007/001811 WO2008043177A1 (en) | 2006-10-13 | 2007-10-11 | Fluid pressure sensing method and apparatus |
Country Status (2)
Country | Link |
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US (1) | US7421902B2 (en) |
WO (2) | WO2008043177A1 (en) |
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NL2002802C2 (en) * | 2009-04-24 | 2010-10-26 | Vehold B V | PRESSURE INDICATOR. |
US8881586B2 (en) | 2011-10-27 | 2014-11-11 | Mobile Awareness, Llc | Tire-condition-ascertaining cartridge |
DE112013002189A5 (en) * | 2012-04-25 | 2015-01-15 | Mycronex Ag | A pneumatic vehicle monitoring system and apparatus for transmitting physical data of a tire to a receiver |
US9821613B2 (en) | 2015-07-20 | 2017-11-21 | Bendix Commercial Vehicle Systems Llc | Transmitting device with antenna |
JP6632902B2 (en) * | 2016-02-03 | 2020-01-22 | サーパス工業株式会社 | Pressure detector |
JP6666736B2 (en) * | 2016-02-03 | 2020-03-18 | サーパス工業株式会社 | Pressure detector |
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US10919346B2 (en) * | 2017-06-28 | 2021-02-16 | Sram, Llc | Pressure measuring device for a wheel |
US10703146B2 (en) | 2017-06-28 | 2020-07-07 | Sram, Llc | Pressure measuring device with alignment feature |
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2006
- 2006-10-13 US US11/580,693 patent/US7421902B2/en active Active
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2007
- 2007-10-11 WO PCT/CA2007/001811 patent/WO2008043177A1/en active Application Filing
- 2007-10-12 WO PCT/CA2007/001828 patent/WO2008043184A1/en active Application Filing
Also Published As
Publication number | Publication date |
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US7421902B2 (en) | 2008-09-09 |
US20080110267A1 (en) | 2008-05-15 |
WO2008043177A1 (en) | 2008-04-17 |
WO2008043184A1 (en) | 2008-04-17 |
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