[특허]Tire air pressure warning apparatus

[미국특허] Tire air pressure warning apparatus 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B60C-023/00 B60C-023/02
출원번호	US-0525824 (1995-09-08)
우선권정보	JP-0336255 (1994-12-22)
발명자 / 주소	Tsunetomi Seishi,JPX Yamada Hideo,JPX
출원인 / 주소	Pacific Industrial Co., Ltd., JPX
대리인 / 주소	Sheridan Ross P.C.
인용정보	피인용 횟수 : 27 인용 특허 : 0

초록 ▼

A signal transmitter mounted on a wheel of a vehicle is disclosed. The transmitter includes a stem member and a cap member being arranged to be detachably mounted on the stem member. The stem member serves as a tire valve when the cap member is detached from the stem member. The stem member detects an tire air pressure smaller than a predetermined level when the cap member is attached to the stem member. The cap member transmits a warning wave signal based on the detection of the stem member. The stem member has an air passage extending in the accommodating member from the open end to the closed end. An electrical conductor is disposed in the air passage to be electrically connected to the cap member when the cap member is mounted on the stem member. A pressure chamber is separated by a partition form the air passage. A tire air introducing passage communicates with the air passage and the tire at a point closer to the open end than the pressure chamber. A bore is formed in the partition to allow a communication of pressure chamber with the introducing passage. A diaphragm expands in the pressure chamber in accordance with pressure lower than a predetermined level flown into the pressure chamber through the introducing passage and the connecting means. An instructing member is secured to the diaphragm for the integral movement and outputs an instruction signal to the cap member through the conductor.

대표청구항 ▼

[ What is claimed is:] [1.] A signal transmitter, mounted on a wheel of a vehicle, including a stem member and a cap member being arranged to be detachably mounted on said stem member, wherein said stem member serves as a tire valve when said cap member is detached from said stem member and said stem member detects a tire air pressure smaller than a predetermined level when said cap member is attached to said stem member, and wherein said cap member transmits a warning wave signal based on the detection by said stem member, said stem member comprising:a hollow accommodating member having a first closed end and a second open end, said accommodating member having an outer air passage extending from said second end to said first end;a hollow guide received in said outer air passage of said hollow accommodating member, said hollow guide having an outer wall defining an interior air passage extending between opposite third and fourth ends of said guide, said outer wall closing said first air passage between said first closed end and said second open end, said third end being provided with an axially extending guide surface fabricated from electrically insulating material;electrical conducting means disposed in said interior air passage, said electrical conducting means being slidably received in said axially extending guide surface and electrically insulated from said hollow accommodating member by said guide surface for electrical connection to said cap member when said cap member is mounted on said stem member;a pressure chamber next to said outer air passage in the vicinity of said first closed end in said accommodating member;a tire air introducing passage communicating with said outer air passage and the tire at a point closer to said second open end than said pressure chamber;connecting means for connecting said pressure chamber to said introducing passage;deforming means for selectively expanding and shrinking in the pressure chamber in accordance with the pressure of the tire air introduced into the pressure chamber through said introducing passage and said connecting means; andinstructing means for outputting an instruction signal to said cap member through said electrical conducting means, said instructing means being arranged to move together with said deforming means and contact said electrical conducting means when said deforming means is expanded.

이 특허를 인용한 특허 (27) 인용/피인용 타임라인 분석

Lu, Hongyan, Built-in tire pressure monitoring and alarming device.
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Dukes, Brent; Splitz, David; Magley, Dale McLeod; Grady, Robert Henry, Dynamic routing in a mesh network.
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Hardman,Gordon E.; Pyne,John W.; Hardman,Molly A.; Przygocki,David A.; Coombs,David M.; Wilson,Paul B.; Grush,Ronald C.; Loudin,Philip B.; Floyd,Brett W., Electronic tire management system.
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Fleury, Jr., Leo W.; Dintakurti, Ganapathi Deva Varma; Williams, James O.; Yusuf, Shabbir, Enclosure for leak detector.
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Hyland, Gregory E.; Keefe, Robert Paul; Zakas, Marietta Edmunds; Barker, Clayton Robert, Infrastructure monitoring devices, systems, and methods.
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Hyland, Gregory E.; Keefe, Robert Paul; Zakas, Marietta Edmunds; Barker, Clayton Robert, Infrastructure monitoring devices, systems, and methods.
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Hyland, Gregory E.; Keefe, Robert Paul; Zakas, Marietta Edmunds; Barker, III, Clayton Robert, Infrastructure monitoring devices, systems, and methods.
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Hyland, Gregory E.; Keefe, Robert Paul; Zakas, Marietta Edmunds; Barker, III, Clayton Robert, Infrastructure monitoring devices, systems, and methods.
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Hyland, Gregory E.; Keefe, Robert Paul; Zakas, Marietta Edmonds; Barker, III, Clayton Robert, Infrastructure monitoring system and method.
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Hyland, Gregory E.; Keefe, Robert Paul; Zakas, Marietta Edmunds; Barker, C. Robert, Infrastructure monitoring system and method.
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Hyland, Gregory E.; Keefe, Robert Paul; Zakas, Marietta Edmunds; Barker, Clayton Robert, Infrastructure monitoring system and method and particularly as related to fire hydrants and water distribution.
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Dintakurt, Ganapathi Deva Varma; Yusuf, Shabbir; Mercer, Steven James, Leak detector.
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Richarz, Werner Guenther; Myles, Andrea; Yusuf, Shabbir, Leak detector and sensor.
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Gout, Olivier; Gaugain, Frederic, Measurement module and assembly method for such a module on a wheel rim.
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McCraven, Jeremy, Mechanical stop for actuator and orifice.
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Morlan David E. ; Smith Christopher P., Permanently instrumented actuated valve assembly, with internally-gauged, permanently instrumented shaft.
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Huang Teng-Yi,TWX, Power supply unit for a pressure-sensing device that is concealed by a tire of a vehicle wheel.
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Okubo,Youichi; Sawafuji,Kazunori; Ito,Yoshitaka; Ibuka,Takashi; Ota,Hiroshi, Pressure sensor, transmitter, and tire condition monitoring apparatus.
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Hardman, Gordon E.; Pyne, John W.; Hardman, Molly A.; Przygocki, David A.; Coombs, David M.; Wilson, Paul B.; Grush, Ronald C.; Loudin, Philip B.; Floyd, Brett W., System for conserving battery life in a battery operated device.
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Hardman, Gordon E.; Pyne, John W.; Hardman, Molly A.; Przygocki, David A.; Coombs, David M.; Wilson, Paul B.; Grush, Ronald C.; Loudin, Philip B.; Floyd, Brett W., System for conserving battery life in a battery operated device.
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Fernando Gomez De Sebastian ES, System to monitor conditions in a fluid-containing member.
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Splitz, David Edwin; Shoesmith, William Charles; Grady, Robert Henry, Systems and methods for dynamic squelching in radio frequency devices.
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Splitz, David Edwin; Shoesmith, William Charles; Grady, Robert Henry, Systems and methods for recovering an out-of-service node in a hierarchical network.
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Huang, Shiao-Hwa, Tire pressure monitoring system with a capped tire valve.
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Banzhof Frank S. ; Page Adrian M.,GBX ; Rovelli Roberto,FRX, Tire valve and associated tire pressure sending unit.
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Banzhof Frank S. ; Page Adrian M.,GBX ; Rovelli Roberto,FRX, Tire valve and associated tire pressure sending unit.
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Ball, Marty Scott; Linkel, Scott Aron, Valve meter assembly and method.
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A	생활필수품
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[미국특허] Tire air pressure warning apparatus 원문보기