[특허]Combined temperature and pressure transducer incorporating connector keyway alignment and an alignment method

Kulite Semiconductor Products, Inc.

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특허 상세정보

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Combined temperature and pressure transducer incorporating connector keyway alignment and an alignment method

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	G01L-007/00
미국특허분류(USC)	073/714
출원번호	US-0510153 (2006-08-25)
등록번호	US-7464600 (2008-12-16)
발명자 / 주소	Kurtz,Anthony D. Martin,Richard J.
출원인 / 주소	Kulite Semiconductor Products, Inc.
대리인 / 주소	The Plevy Law Firm
인용정보	피인용 횟수 : 4 인용 특허 : 64

초록
▼

A transducer sensor is positioned within a hollow of the body of a housing. The housing has an extending alignment pin, which pin coacts with a corresponding slot or aperture in the wall of a vessel whose pressure or temperature is to be monitored. The transducer body is associated with a connector where the alignment pin is placed and extends from the housing in a fixed relation to the connector. A suitable aperture or slot in the wall of the vessel to be monitored accommodates the extending pin whereby when the transducer is placed in the vessel aperture the connector associated with the transducer is always located in proper position. Positioned on the housing is a sliding nut which can move in a direction parallel to the central axis of the housing and either to the right or left. This sliding nut is rotatably positioned in the housing and coacts with threads formed in the aperture in the wall of the vessel to enable tightening of the transducer housing when placed in the wall and when the alignment pin is positioned within the corresponding slot or aperture. This assures a proper alignment so that an external connector which is not moveable or rotatable can be immediately connected to the transducer connector without further experimentation or adjustment.

대표
청구항
▼

What is claimed is: 1. A transducer assembly for monitoring a condition in the hollow of a vessel, said hollow containing a medium whose condition is to be monitored, said vessel having surrounding walls defining said hollow, comprising: a first vessel wall having an aperture for accommodating a transducer housing, said aperture communicating with said hollow, said aperture having a threaded portion and a keyway alignment portion for accommodating a projecting pin on a transducer housing, a transducer having a housing, said housing having an internal hollow, said housing disposed about a central axis, with a front portion of said housing adapted for insertion into said vessel aperture to position said front surface of said first portion in said hollow, said front housing portion extending into a second larger housing portion, said second housing portion having a connector coupled thereto, said connector having a plurality of terminals, a sensor located within said hollow of said housing and having terminals connected to said connector terminals, a sliding nut positioned about said second housing portion, said nut having a threaded section for coacting with said threaded portion of said vessel aperture, said nut capable of sliding on said front portion within a predetermined distance, an alignment pin extending from said housing and positioned in a predetermined orientation with respect to said housing connector, said pin adapted to coact with said key alignment portion of said vessel aperture whereby when said transducer housing is inserted into said vessel aperture with said alignment pin being accommodated within said keyway alignment portion, said transducer housing connector is always in a preferred orientation with respect to said alignment pin, with said preferred orientation selected to accommodate an external connector to assure that said external connector will always coact with said transducer housing connector, said sliding nut operative to firmly position said transducer housing in said vessel aperture by coacting with said threaded portion of said aperture. 2. The transducer assembly according to claim 1, wherein said sensor is a pressure sensor. 3. The transducer assembly according to claim 2, further including a temperature sensor located in said hollow of said housing and having a front portion located about said front surface of said front housing portion and having terminal leads connected to associated terminals of said housing connector. 4. The transducer assembly according to claim 1, wherein said vessel is an engine manifold, where said medium to be monitored is engine oil contained in said manifold hollow. 5. The transducer assembly according to claim 1, wherein said second housing portion has a first peripheral flange located about the front end of said second housing portion closest to said first portion and a second peripheral flange located about the rear end of said second housing portion nearest said connector, said sliding nut rotatably positioned about said second portion and constrained to limited movement of said predetermined distance as determined by said first and second flanges. 6. The transducer assembly according to claim 1, wherein said projecting alignment pin extends from said transducer housing transverse to said central axis of said housing. 7. The transducer assembly according to claim 1, wherein said projecting alignment pin is parallel to said central axis and extends from said front surface of said transducer housing. 8. The transducer assembly according to claim 6, wherein said keyway alignment portion is a slot formed in a wall of said vessel aperture and parallel to the central axis of said aperture for accommodating said transverse extending pin when said transducer housing is inserted into said aperture. 9. The transducer assembly according to claim 7, wherein said key alignment portion comprises an aperture formed in said vessel wall for accommodating said parallel pin when said transducer housing is inserted in said aperture. 10. A method of mounting a transducer in a wall of a medium accommodating vessel having a medium accommodating hollow, wherein a condition of said medium is to be monitored for proper system operation, said system having a system connector connected to a cable, said system connector oriented in a fixed position and employed for insertion into a transducer connector to enable said system to monitor said medium, comprising the steps of: forming an aperture in said vessel wall with one end of said aperture communicating with said vessel hollow, forming a keyway in said aperture wall for accommodating an alignment transducer pin, providing a transducer housing having a front portion contiguous with a rear portion said housing having an internal hollow with said housing disposed about a central axis, placing a housing connector on said rear portion of said housing and oriented in a predetermined relation with respect to said housing, said housing connector having terminals, placing a sensor having terminals within the said hollow of said housing with said terminals of said sensor connected to terminals of said housing connector, placing an alignment pin on said transducer housing to cause said pin to extend from said housing and locating said pin on said housing so that said connector is always in a predetermined position with respect to said pin, said pin operative to coact with said keyway to align said transducer connector always in a predetermined orientation, such that said connector always properly coacts with said system connector, and securing said housing within said aperture without disturbing the position of said alignment pin. 11. The method according to claim 10, wherein said securing comprises providing a sliding nut surrounding a portion of said housing and having a threaded portion, with said vessel aperture housing having a corresponding threaded portion, and engaging said sliding nut with said corresponding threaded portion of said vessel aperture to firmly secure said transducer housing in said vessel aperture. 12. The method according to claim 10, further including the step of forming a slotted keyway in the wall of said aperture parallel to said central axis of said aperture, and placing said alignment pin transverse to said central axis of said transducer housing for co-acting with said slot when said housing is positioned said vessel aperture. 13. The method according to claim 10, further including the step of forming an aperture keyway on the wall of said housing near said front surface and placing said alignment pin parallel to said central axis of said transducer housing for coacting with said aperture keyway when said housing is positioned in said vessel aperture. 14. The method according to claim 10, wherein said vessel is an engine manifold containing engine oil within said hollow. 15. The method according to claim 10, wherein said sensor monitors the pressure of said oil. 16. The method according to claim 10, wherein said sensor monitors the temperature of said oil. 17. The method according to claim 10, wherein said sensor monitors both the pressure and temperature of said oil. 18. The method according to claim 10, further including, the step of placing said alignment pin on said housing includes the step of placing an alignment marker on said housing connector and positioning said pin on said housing with respect to said marker. 19. The method according to claim 10, wherein said sensor is a piezoresistive semiconductor pressure sensor having four piezoresistors arranged in a Wheatstone bridge array, with said terminals of said array connected to associated terminals of said housing connector. 20. The method according to claim 10, wherein said transducer housing is symmetrically disposed about said central axis.

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Combined temperature and pressure transducer incorporating connector keyway alignment and an alignment method

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Combined temperature and pressure transducer incorporating connector keyway alignment and an alignment method

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이 특허에 인용된 특허 (64)

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