US20080302425A1 - Formed Flange For Pressure Monitoring Valve Stem Mount - Google Patents
Formed Flange For Pressure Monitoring Valve Stem Mount Download PDFInfo
- Publication number
- US20080302425A1 US20080302425A1 US12/133,693 US13369308A US2008302425A1 US 20080302425 A1 US20080302425 A1 US 20080302425A1 US 13369308 A US13369308 A US 13369308A US 2008302425 A1 US2008302425 A1 US 2008302425A1
- Authority
- US
- United States
- Prior art keywords
- valve stem
- recited
- assembly
- valve body
- wheel rim
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
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Classifications
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- 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
-
- 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
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- 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
- B60C23/0494—Valve stem attachments positioned inside the tyre chamber
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- 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
- B60C29/00—Arrangements of tyre-inflating valves to tyres or rims; Accessories for tyre-inflating valves, not otherwise provided for
- B60C29/02—Connection to rims
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/0318—Processes
- Y10T137/0402—Cleaning, repairing, or assembling
- Y10T137/0491—Valve or valve element assembling, disassembling, or replacing
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/3584—Inflatable article [e.g., tire filling chuck and/or stem]
- Y10T137/3662—With gauge or indicator
Definitions
- a disclosed example valve stem includes a deformable housing for securement within a wheel rim. More particularly, the disclosed example valve stem includes features for securing a valve stem supporting a tire pressure monitoring sensor within a wheel rim.
- Tire pressure monitoring sensors can be secured within a wheel rim to a valve stem.
- a conventional valve stem is received within an opening of the wheel rim and secured therein by an elastically deformable rubber housing.
- the weight added by a tire pressure monitoring device attached to the valve stem can cause undesired deformation during rotation of the wheel rim. Centrifugal forces acting on the tire pressure monitoring device can be transmitted back to the rubber housing and cause deformation that in turn disrupts the desired air tight seal with the wheel rim.
- An example valve stem for mounting and supporting a tire pressure monitoring assembly includes a flange formed after insertion into the wheel rim for preventing movement caused by forces generated during wheel rotation.
- An example tire pressure monitoring (TPM) assembly is mounted to a valve stem received within an opening of the wheel rim.
- the valve stem includes an inner portion disposed within the rim and an outer portion that extends outward from the rim.
- a valve body is disposed within the valve stem and provides an air passage through the rim for filling the tire.
- the valve stem includes the inner portion that abuts an inner surface of the rim.
- a flange is formed in the valve stem to expand against an outer surface of the wheel rim.
- a screw extends though the housing and engages internal threads formed in the valve body. Tightening of the thread pulls the valve body inwardly to cause deformation of the valve stem to form a flange abutting the outer surface of the wheel rim.
- valve body includes external threads on a portion that extends through the sensor body. A nut is then either pushed or threaded on to provide the desired deformation of the valve stem to form the desired formed flange that secures the valve stem to the wheel rim. Accordingly, the example valve stem flange formed TPM assemblies provide a robust valve stem wheel rim interface that prevents leakage caused by force generated by rotation of the wheel rim.
- FIG. 1 is a schematic view of an example tire pressure monitoring assembly mounted within a wheel.
- FIG. 2 is a schematic view of an example tire pressure monitoring assembly prior formation of the mounting flange.
- FIG. 3 is a schematic view of an example tire pressure monitoring assembly mounted within to a wheel rim.
- FIG. 4 is a schematic view of another example tire pressure monitoring assembly prior to formation of the mounting flange.
- FIG. 5 is a schematic view of the example tire pressure monitoring assembly of FIG. 4 mounted to the wheel rim.
- FIG. 6 is a schematic view of another tire pressure monitoring assembly including a push on nut.
- FIG. 7 is a schematic view of the tire pressure monitoring assembly of FIG. 6 mounted to the wheel rim.
- FIG. 8 is a schematic view of an example anti-rotation feature.
- FIG. 9 is another schematic view of another example anti-rotation feature.
- FIG. 10 is a schematic view of yet another example anti-rotation feature.
- a tire pressure monitoring sensor (TPM) assembly 10 is mounted to a wheel rim 12 .
- the rim 12 supports a tire 14 and the TPM assembly 10 includes a sensor housing 16 that includes a sensor and a transmitter for measuring and communicating conditions within the tire 14 .
- the TPM assembly 10 includes a valve stem 18 comprised of an elastic material such as for example rubber.
- the valve stem 18 includes an inner portion 30 disposed within the rim 12 and outer portion 32 that extends outward from the rim 12 .
- a valve body 20 is disposed within the valve stem 18 and provides an air passage through the rim 12 for filling the tire 14 .
- the sensor housing 16 is supported within the rim 12 by the valve stem 18 and is susceptible to movement responsive to rotation.
- a centripetal force in a direction indicated at 22 is generated by rotation of the rim 12 .
- the force 22 is exerted on the sensor housing 16 that causes movement in a direction indicated by arrows 24 . This twisting movement is not desirable and is substantially reduced and prevented by the disclosed TPM assembly 10 and mounting methods.
- the valve stem 18 includes the inner portion 30 that abuts an inner surface 40 of the rim 12 .
- a flange is formed in the valve stem 18 to expand against an outer surface 48 of the wheel rim 12 .
- the example TPM assembly 10 includes a screw 26 with threads 40 .
- the valve body 20 defines the bore 36 and includes internal threads 38 that engage the threads 40 of the screw 26 .
- the valve stem 18 is received through an opening 52 in the rim 12 such that the inner portion 30 abuts the inner surface 50 .
- the outer portion 32 is a clearance to slight interference fit with the opening 52 . The slight interference fit is such that the valve stem 18 will remain within the opening 52 , but is not yet substantial enough to prevent forces generated during rotation from distorting a desired seal with the rim 12 .
- the housing 16 includes an opening 28 though which the screw 26 extends to engage the threads 38 of the valve body 20 .
- the outer portion 32 of the valve stem 18 includes a thickness that provides for a desired flexibility and deformability. Tightening of the screw 26 within the valve body 20 pulls the valve body 20 , and thereby the valve stem 18 toward the rim 12 to buckle and deform the outer portion 32 to form a flange against the outer surface 48 of the wheel rim 12 .
- the screw 26 is engaged with the threads 38 of the valve body 20 and tightened to cause the outer portion 32 of the valve stem 18 to buckle and form a flange portion 42 .
- the flange portion 42 secures the outer portion 32 against the outer surface of the wheel rim 12 .
- the flange portion 42 comprises the buckled and deformed portion of the valve stem 18 caused by tightening and securing of the screw 26 .
- the elastic characteristics of the valve stem 18 creates a compression biasing force between the formed flange 42 and the inner portion 32 that counters forces generated during rotation of the wheel rim 12 . Further, because the compression biasing forces are only exerted after the valve stem 18 is received within the opening 52 , the compression forces holding the valve stem 18 can be much higher than if a flange is formed prior to insertion and required to be pushed through the opening 52 . As appreciated, conventional valve stem mounting methods simply force the elastic valve stem 18 through the opening. Accordingly, the amount of force available for pushing the flange through the opening limits the size of the flange. In the disclosed method, because the flange 42 is formed after insertion through the opening 52 , it can be larger and thereby provide a greater compression to hold the valve stem 18 in place.
- another TPM assembly 54 includes a valve body 56 that includes an inner portion 60 that extends outwardly from the valve stem 18 .
- the inner portion 60 of the valve body 56 includes eternal threads 62 .
- the sensor housing 16 includes an opening 28 through which the inner portion 60 extends.
- a nut 58 includes internal threads 64 that engage the threads 62 . Tightening of the nut 58 secures the sensor housing 16 to the valve body 56 .
- the flange 42 comprises buckled material of the outer portion 32 that abuts against the outer surface 48 of the wheel rim 12 .
- the flange 42 compresses against the wheel rim 12 to hold and secure the valve stem 18 in place.
- the increased compressive forces that are exerted and formed by tightening the nut 58 result in an improved seal that is substantially resistant to movements caused by rotation of the wheel.
- the threads 62 are provided along a defined length such that the nut 58 can only be tightened a desired amount. Therefore, during installation, the nut 58 is tightened until the threads end.
- the end of the threads corresponds to a tightened amount that provides a desired flange 42 and that also provides a desired compression against the wheel rim 12 .
- the defined length of the threads provides a desired fit and substantially prevents over tightening.
- another example TPM assembly 70 includes the valves stem 18 with a valve body 74 .
- the valve body 74 includes an inner portion 76 .
- the inner portion 76 extends outwardly from the valve stem 18 and extends into an interior portion of the wheel rim 12 .
- the inner portion 76 includes features 82 for engaging a push on nut 72 .
- the example features 82 comprise threads configured to allow pushing on of the nut 72 and threading off for removal of the TPM assembly 70 .
- the engagement features could also comprise barbs adapted to engage and secure the nut in a desired position.
- Pushing of the nut 72 onto the valve body 74 causes the desired deformation of the outer portion 32 of the valve stem 18 , thereby providing the desired compressive forces to hold the valve stem 18 within the opening 52 .
- Installation of the example TPM assembly 70 is accomplished with a clamping tool 78 and a pushing tool 80 . Installation proceeds by initially inserting the valve stem 18 and valve body 74 through the opening 52 in the wheel rim 12 . The amount of force required for this step is substantially reduced as compared to conventional methods because the outer flange is not yet formed.
- the nut 72 can be pre-assembled to the valve body 74 to ease assembly operations. Once the valve stem 18 is disposed within the opening 52 , the clamping tool 78 and pushing tool 80 can be engaged to the valve body 74 and the nut 72 respectively. As appreciated, is also within the contemplation of this invention that the clamping and pushing tool comprises a portion of the tool utilized to insert the valve stem 18 within the wheel rim 12 . Further, other configuration as would be understood by a worker experienced in this field is also within the contemplation of this invention.
- the rear portion 76 of the valve body includes notch features that can be configured to break away under a desired load. Breaking way of the notch features on the rear portion 76 of the valve body provides a limit on the load that can be exerted by the nut 72 .
- the resulting fit of the nut 72 against the housing 16 and the inner portion 30 of the valve stem 18 causes a buckling that forms the flange 42 .
- the flange 42 is formed to abut against the outer surface 48 of the wheel rim 12 .
- the compression provided by the nut 72 is maintained until the nut 72 is removed.
- the example nut 72 is pushed on and threaded off.
- FIG. 8 a rear end view of the interface between the housing 16 and the valve body 20 of FIG. 2 is shown with an anti-rotational feature that includes the valve body 20 with a D-shaped cross-section 82 that corresponds with the opening 28 .
- the keyed corresponding shapes of the valve body 20 and the sensor housing 16 substantially prevent relative rotation of the sensor housing 16 relative to the valve stem 18 .
- another anti-rotation configuration include tabs 84 on the sensor housing 16 that engage corresponding indentations 86 within the valve stem 18 .
- the tabs 84 engage the indentations 86 to provide a positive locating feature that prevents relative rotation between the valve stem 18 and the sensor housing 16 .
- another anti-rotation interface between the valve stem 18 and the housing 16 include interlocking shapes 88 that prevent relative rotation.
- the example interlocking shapes 88 include a curved longitudinal surface 90 on the sensor housing 16 that fits within a concave portion 92 of the valve stem 18 .
- the interlocking shapes 88 thereby prevent relative rotation between the valve stem 18 relative to the sensor housing 16 .
- the example interlocking features also facilitate an angular adjustment of the housing angle relative to the valve stem to accommodate various wheel rim angles with a single housing interface configuration.
- the example interlocking shapes 88 can be reversed with the concave portion on the sensor housing 16 and the curved portion on the valve stem 18 .
- the interlocking shapes can include other configurations that provide and maintain a desired relative orientation.
- the frictional interface between the valve stem 18 and the wheel rim substantially prevent rotation of the valve stem 18 relative to the rim 12 . Accordingly, the anti-rotation features that prevent rotation of the sensor housing 16 relative to the valve stem substantially prevent rotation of the entire TPM assembly 10 . Further, the example valve stem flange formed TPM assemblies provide a robust valve stem wheel rim interface that prevents leakage caused by force generated by rotation of the wheel rim and retention of the sensor.
Abstract
Description
- The application claims priority to U.S. Provisional Application Nos. 60/967,113, filed Aug. 31, 2007; 60/937,410, filed Jun. 27, 2007; and 60/933,378 filed on Jun. 5, 2007.
- A disclosed example valve stem includes a deformable housing for securement within a wheel rim. More particularly, the disclosed example valve stem includes features for securing a valve stem supporting a tire pressure monitoring sensor within a wheel rim.
- Tire pressure monitoring sensors can be secured within a wheel rim to a valve stem. A conventional valve stem is received within an opening of the wheel rim and secured therein by an elastically deformable rubber housing. Disadvantageously, the weight added by a tire pressure monitoring device attached to the valve stem can cause undesired deformation during rotation of the wheel rim. Centrifugal forces acting on the tire pressure monitoring device can be transmitted back to the rubber housing and cause deformation that in turn disrupts the desired air tight seal with the wheel rim.
- Accordingly, it is desirable to design and develop a method and device for securing a tire pressure monitoring device to a valve stem that does not result in loss of the desired seal.
- An example valve stem for mounting and supporting a tire pressure monitoring assembly includes a flange formed after insertion into the wheel rim for preventing movement caused by forces generated during wheel rotation.
- An example tire pressure monitoring (TPM) assembly is mounted to a valve stem received within an opening of the wheel rim. The valve stem includes an inner portion disposed within the rim and an outer portion that extends outward from the rim. A valve body is disposed within the valve stem and provides an air passage through the rim for filling the tire. The valve stem includes the inner portion that abuts an inner surface of the rim. A flange is formed in the valve stem to expand against an outer surface of the wheel rim. In one disclosed example, a screw extends though the housing and engages internal threads formed in the valve body. Tightening of the thread pulls the valve body inwardly to cause deformation of the valve stem to form a flange abutting the outer surface of the wheel rim.
- In another disclosed example, the valve body includes external threads on a portion that extends through the sensor body. A nut is then either pushed or threaded on to provide the desired deformation of the valve stem to form the desired formed flange that secures the valve stem to the wheel rim. Accordingly, the example valve stem flange formed TPM assemblies provide a robust valve stem wheel rim interface that prevents leakage caused by force generated by rotation of the wheel rim.
- These and other features of the present invention can be best understood from the following specification and drawings, the following of which is a brief description.
-
FIG. 1 is a schematic view of an example tire pressure monitoring assembly mounted within a wheel. -
FIG. 2 is a schematic view of an example tire pressure monitoring assembly prior formation of the mounting flange. -
FIG. 3 is a schematic view of an example tire pressure monitoring assembly mounted within to a wheel rim. -
FIG. 4 is a schematic view of another example tire pressure monitoring assembly prior to formation of the mounting flange. -
FIG. 5 is a schematic view of the example tire pressure monitoring assembly ofFIG. 4 mounted to the wheel rim. -
FIG. 6 is a schematic view of another tire pressure monitoring assembly including a push on nut. -
FIG. 7 is a schematic view of the tire pressure monitoring assembly ofFIG. 6 mounted to the wheel rim. -
FIG. 8 is a schematic view of an example anti-rotation feature. -
FIG. 9 is another schematic view of another example anti-rotation feature. -
FIG. 10 is a schematic view of yet another example anti-rotation feature. - Referring to
FIG. 1 a tire pressure monitoring sensor (TPM)assembly 10 is mounted to awheel rim 12. Therim 12 supports atire 14 and theTPM assembly 10 includes asensor housing 16 that includes a sensor and a transmitter for measuring and communicating conditions within thetire 14. - The
TPM assembly 10 includes avalve stem 18 comprised of an elastic material such as for example rubber. Thevalve stem 18 includes aninner portion 30 disposed within therim 12 andouter portion 32 that extends outward from therim 12. Avalve body 20 is disposed within thevalve stem 18 and provides an air passage through therim 12 for filling thetire 14. - The
sensor housing 16 is supported within therim 12 by thevalve stem 18 and is susceptible to movement responsive to rotation. A centripetal force in a direction indicated at 22 is generated by rotation of therim 12. Theforce 22 is exerted on thesensor housing 16 that causes movement in a direction indicated byarrows 24. This twisting movement is not desirable and is substantially reduced and prevented by the disclosedTPM assembly 10 and mounting methods. - The
valve stem 18 includes theinner portion 30 that abuts aninner surface 40 of therim 12. A flange is formed in thevalve stem 18 to expand against anouter surface 48 of thewheel rim 12. - Referring to
FIG. 2 , with continued reference toFIG. 1 , theexample TPM assembly 10 includes ascrew 26 withthreads 40. Thevalve body 20 defines thebore 36 and includesinternal threads 38 that engage thethreads 40 of thescrew 26. Thevalve stem 18 is received through anopening 52 in therim 12 such that theinner portion 30 abuts theinner surface 50. Theouter portion 32 is a clearance to slight interference fit with the opening 52. The slight interference fit is such that thevalve stem 18 will remain within theopening 52, but is not yet substantial enough to prevent forces generated during rotation from distorting a desired seal with therim 12. - The
housing 16 includes an opening 28 though which thescrew 26 extends to engage thethreads 38 of thevalve body 20. Theouter portion 32 of thevalve stem 18 includes a thickness that provides for a desired flexibility and deformability. Tightening of thescrew 26 within thevalve body 20 pulls thevalve body 20, and thereby the valve stem 18 toward therim 12 to buckle and deform theouter portion 32 to form a flange against theouter surface 48 of thewheel rim 12. - Referring to
FIG. 3 with continued reference toFIGS. 1 and 2 , thescrew 26 is engaged with thethreads 38 of thevalve body 20 and tightened to cause theouter portion 32 of thevalve stem 18 to buckle and form aflange portion 42. Theflange portion 42 secures theouter portion 32 against the outer surface of thewheel rim 12. Theflange portion 42 comprises the buckled and deformed portion of thevalve stem 18 caused by tightening and securing of thescrew 26. - The elastic characteristics of the
valve stem 18 creates a compression biasing force between the formedflange 42 and theinner portion 32 that counters forces generated during rotation of thewheel rim 12. Further, because the compression biasing forces are only exerted after thevalve stem 18 is received within theopening 52, the compression forces holding thevalve stem 18 can be much higher than if a flange is formed prior to insertion and required to be pushed through theopening 52. As appreciated, conventional valve stem mounting methods simply force theelastic valve stem 18 through the opening. Accordingly, the amount of force available for pushing the flange through the opening limits the size of the flange. In the disclosed method, because theflange 42 is formed after insertion through theopening 52, it can be larger and thereby provide a greater compression to hold thevalve stem 18 in place. - Referring to
FIGS. 4 and 5 , anotherTPM assembly 54 includes avalve body 56 that includes aninner portion 60 that extends outwardly from thevalve stem 18. Theinner portion 60 of thevalve body 56 includeseternal threads 62. Thesensor housing 16 includes anopening 28 through which theinner portion 60 extends. Anut 58 includesinternal threads 64 that engage thethreads 62. Tightening of thenut 58 secures thesensor housing 16 to thevalve body 56. - Further tightening of the
nut 58 causes deformation of theouter portion 32 of thevalve stem 18 thereby forming theflange 42. Theflange 42 comprises buckled material of theouter portion 32 that abuts against theouter surface 48 of thewheel rim 12. Theflange 42 compresses against thewheel rim 12 to hold and secure thevalve stem 18 in place. The increased compressive forces that are exerted and formed by tightening thenut 58 result in an improved seal that is substantially resistant to movements caused by rotation of the wheel. - The
threads 62 are provided along a defined length such that thenut 58 can only be tightened a desired amount. Therefore, during installation, thenut 58 is tightened until the threads end. The end of the threads corresponds to a tightened amount that provides a desiredflange 42 and that also provides a desired compression against thewheel rim 12. The defined length of the threads provides a desired fit and substantially prevents over tightening. - Referring to
FIG. 6 , anotherexample TPM assembly 70 includes the valves stem 18 with avalve body 74. Thevalve body 74 includes aninner portion 76. Theinner portion 76 extends outwardly from thevalve stem 18 and extends into an interior portion of thewheel rim 12. Theinner portion 76 includesfeatures 82 for engaging a push onnut 72. The example features 82 comprise threads configured to allow pushing on of thenut 72 and threading off for removal of theTPM assembly 70. The engagement features could also comprise barbs adapted to engage and secure the nut in a desired position. - Pushing of the
nut 72 onto thevalve body 74 causes the desired deformation of theouter portion 32 of thevalve stem 18, thereby providing the desired compressive forces to hold thevalve stem 18 within theopening 52. - Installation of the
example TPM assembly 70 is accomplished with aclamping tool 78 and a pushingtool 80. Installation proceeds by initially inserting thevalve stem 18 andvalve body 74 through theopening 52 in thewheel rim 12. The amount of force required for this step is substantially reduced as compared to conventional methods because the outer flange is not yet formed. - The
nut 72 can be pre-assembled to thevalve body 74 to ease assembly operations. Once thevalve stem 18 is disposed within theopening 52, theclamping tool 78 and pushingtool 80 can be engaged to thevalve body 74 and thenut 72 respectively. As appreciated, is also within the contemplation of this invention that the clamping and pushing tool comprises a portion of the tool utilized to insert thevalve stem 18 within thewheel rim 12. Further, other configuration as would be understood by a worker experienced in this field is also within the contemplation of this invention. - Referring to
FIG. 7 , with continued reference toFIG. 6 , installation is completed by concurrently pushing on thenut 72, and holding, or pulling on thevalve body 74. Therear portion 76 of the valve body includes notch features that can be configured to break away under a desired load. Breaking way of the notch features on therear portion 76 of the valve body provides a limit on the load that can be exerted by thenut 72. The resulting fit of thenut 72 against thehousing 16 and theinner portion 30 of thevalve stem 18 causes a buckling that forms theflange 42. Theflange 42 is formed to abut against theouter surface 48 of thewheel rim 12. The compression provided by thenut 72 is maintained until thenut 72 is removed. Theexample nut 72 is pushed on and threaded off. - Referring to
FIG. 8 and back toFIG. 2 , a rear end view of the interface between thehousing 16 and thevalve body 20 ofFIG. 2 is shown with an anti-rotational feature that includes thevalve body 20 with a D-shapedcross-section 82 that corresponds with theopening 28. The keyed corresponding shapes of thevalve body 20 and thesensor housing 16 substantially prevent relative rotation of thesensor housing 16 relative to thevalve stem 18. - Referring to
FIG. 9 , another anti-rotation configuration includetabs 84 on thesensor housing 16 that engage correspondingindentations 86 within thevalve stem 18. Thetabs 84 engage theindentations 86 to provide a positive locating feature that prevents relative rotation between thevalve stem 18 and thesensor housing 16. - Referring to
FIG. 10 , another anti-rotation interface between thevalve stem 18 and thehousing 16 include interlockingshapes 88 that prevent relative rotation. The example interlocking shapes 88 include a curvedlongitudinal surface 90 on thesensor housing 16 that fits within aconcave portion 92 of thevalve stem 18. The interlocking shapes 88 thereby prevent relative rotation between thevalve stem 18 relative to thesensor housing 16. Further, the example interlocking features also facilitate an angular adjustment of the housing angle relative to the valve stem to accommodate various wheel rim angles with a single housing interface configuration. As is appreciated, the example interlocking shapes 88 can be reversed with the concave portion on thesensor housing 16 and the curved portion on thevalve stem 18. Additionally, the interlocking shapes can include other configurations that provide and maintain a desired relative orientation. - Further, as the flange is formed by compression against the wheel rim, the frictional interface between the
valve stem 18 and the wheel rim substantially prevent rotation of thevalve stem 18 relative to therim 12. Accordingly, the anti-rotation features that prevent rotation of thesensor housing 16 relative to the valve stem substantially prevent rotation of theentire TPM assembly 10. Further, the example valve stem flange formed TPM assemblies provide a robust valve stem wheel rim interface that prevents leakage caused by force generated by rotation of the wheel rim and retention of the sensor. - Although a preferred embodiment of this invention has been disclosed, a worker of ordinary skill in this art would recognize that certain modifications would come within the scope of this invention. For that reason, the following claims should be studied to determine the true scope and content of this invention.
Claims (17)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
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US12/133,693 US20080302425A1 (en) | 2007-06-05 | 2008-06-05 | Formed Flange For Pressure Monitoring Valve Stem Mount |
US14/010,307 US9630460B2 (en) | 2007-06-05 | 2013-08-26 | Formed flange for pressure monitoring valve stem mount |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
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US93337807P | 2007-06-05 | 2007-06-05 | |
US93741007P | 2007-06-27 | 2007-06-27 | |
US96711307P | 2007-08-31 | 2007-08-31 | |
US12/133,693 US20080302425A1 (en) | 2007-06-05 | 2008-06-05 | Formed Flange For Pressure Monitoring Valve Stem Mount |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US14/010,307 Continuation US9630460B2 (en) | 2007-06-05 | 2013-08-26 | Formed flange for pressure monitoring valve stem mount |
Publications (1)
Publication Number | Publication Date |
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US20080302425A1 true US20080302425A1 (en) | 2008-12-11 |
Family
ID=39683461
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US12/133,693 Abandoned US20080302425A1 (en) | 2007-06-05 | 2008-06-05 | Formed Flange For Pressure Monitoring Valve Stem Mount |
US14/010,307 Active US9630460B2 (en) | 2007-06-05 | 2013-08-26 | Formed flange for pressure monitoring valve stem mount |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US14/010,307 Active US9630460B2 (en) | 2007-06-05 | 2013-08-26 | Formed flange for pressure monitoring valve stem mount |
Country Status (2)
Country | Link |
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US (2) | US20080302425A1 (en) |
WO (1) | WO2008151267A1 (en) |
Cited By (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2011097823A1 (en) * | 2010-02-12 | 2011-08-18 | 杭州万通气门嘴有限公司 | Inflation valve mounted with electronic box of tire pressure monitoring device |
JP2014008935A (en) * | 2012-07-02 | 2014-01-20 | Orange Electronic Co Ltd | Valve stem of radio tire pressure detector |
CN103538432A (en) * | 2012-07-17 | 2014-01-29 | 联创汽车电子有限公司 | Monitoring sensor for pressure of tire |
US20140318231A1 (en) * | 2014-07-09 | 2014-10-30 | Chi-Liang Lo | Tire pressure measurement apparatus |
US20140319299A1 (en) * | 2013-04-24 | 2014-10-30 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Fastening device for a component on a motor vehicle |
US8881586B2 (en) | 2011-10-27 | 2014-11-11 | Mobile Awareness, Llc | Tire-condition-ascertaining cartridge |
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US9315079B2 (en) * | 2013-10-02 | 2016-04-19 | Sung Jung Minute Industry Co., Ltd | Adjustable tire pressure detector |
US20150090025A1 (en) * | 2013-10-02 | 2015-04-02 | Sung Jung Minute Industdry Co., Ltd. | Adjustable tire pressure detector |
US20150090024A1 (en) * | 2013-10-02 | 2015-04-02 | Sung Jung Minute Industry Co., Ltd. | Adjustable tire pressure detector |
US9238389B2 (en) * | 2013-10-02 | 2016-01-19 | Sung Jung Minute Industry Co., Ltd | Adjustable tire pressure detector |
US20150091719A1 (en) * | 2013-10-02 | 2015-04-02 | Sung Jung Minute Industry Co., Ltd. | Tire pressure sensor |
US9317277B2 (en) * | 2013-10-02 | 2016-04-19 | Sung Jung Minute Industry Co., Ltd | Tire pressure sensor |
US20140318231A1 (en) * | 2014-07-09 | 2014-10-30 | Chi-Liang Lo | Tire pressure measurement apparatus |
US9475350B2 (en) * | 2014-07-09 | 2016-10-25 | Chi-Liang Lo | Tire pressure measurement apparatus |
US10940723B2 (en) * | 2018-02-09 | 2021-03-09 | Continental Automotive France | Electronic unit for measuring operating parameters of a vehicle wheel, comprising an electronic casing and an inflation valve of elastically deformable type |
US20200039301A1 (en) * | 2018-07-31 | 2020-02-06 | Sensata Technologies, Inc. | Tire pressure monitor with variable angle mounting |
US10807421B2 (en) * | 2018-07-31 | 2020-10-20 | Sensata Techologies, Inc. | Tire pressure monitor with variable angle mounting |
US11338629B2 (en) | 2018-07-31 | 2022-05-24 | Sensata Technologies, Inc. | Tire pressure monitor with variable angle mounting |
US11400772B2 (en) | 2020-02-26 | 2022-08-02 | Ateq | Scanning method and device for tire pressure monitoring system (tpms) protocols |
US11845305B2 (en) | 2020-04-29 | 2023-12-19 | Ateq | Device for electronic system for monitoring the pressure of the tyres of a motor vehicle |
Also Published As
Publication number | Publication date |
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US20130340516A1 (en) | 2013-12-26 |
WO2008151267A1 (en) | 2008-12-11 |
US9630460B2 (en) | 2017-04-25 |
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