[특허]Dual seal fluid fitting

GE Oil & Gas Pressure Control LP

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특허 상세정보

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내보내기 페이스북 공유 트위터 공유 카카오톡 공유

Dual seal fluid fitting

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F16L-015/04 F16L-015/08 E21B-033/068 F16L-015/00 F16L-019/02 F16L-019/04 F16L-041/00 F16L-041/14 F16L-055/07
출원번호	US-0248986 (2014-04-09)
등록번호	US-9476526 (2016-10-25)
발명자 / 주소	Cody, Paul Eugene Meyberg, Sergio Felipe Helvenston, Andrew Browne
출원인 / 주소	GE Oil & Gas Pressure Control LP
대리인 / 주소	Bracewell LLP
인용정보	피인용 횟수 : 0 인용 특허 : 8

초록

A fluid fitting for use with a hydrocarbon production device includes an annular fitting assembly inserted into a port formed in the hydrocarbon production device. A first outer diameter seal is located between the fitting assembly and the port. A packing assembly is located in an annulus between the fitting assembly and an inner surface of the port, defining a second outer diameter seal between the fitting assembly and the port.

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1. A hydrocarbon production device comprising: a production device housing;a port in the housing, the port having a larger diameter portion and a smaller diameter portion, the larger diameter portion having an axis and extending inward into the housing from an exterior of the housing to an outward facing shoulder, the smaller diameter portion extending inward from the outward facing shoulder;an annular fitting assembly having external fitting assembly threads secured to mating internal fitting assembly threads in the larger diameter portion;a passage extending axially through the fitting assembly;a first outer diameter seal located between an inner end of the fitting assembly and the outward facing shoulder, the first outer diameter seal being energized by an inward axial force on the first outer diameter seal in response to the external fitting assembly threads engaging the internal fitting assembly threads;a packing assembly in an annulus between the fitting assembly and an inner surface of the larger diameter portion of the port outward from the external fitting assembly threads;a packing gland having external packing gland threads that engage mating internal packing gland threads in the larger diameter portion outward from the internal fitting assembly threads, the packing gland having an inner end that engages and exerts an axial force on the packing assembly in response to securing the external packing gland threads to the internal packing gland threads, defining a redundant second outer diameter seal between the fitting assembly and the port; anda ball urged by a spring into sealing engagement with a seat in the passage, defining a first inner diameter seal. 2. The device of claim 1, wherein the first outer diameter seal comprises: a conical surface located at an intersection of the smaller diameter portion with the outward facing shoulder; anda conical nose on the inner end of the fitting assembly that seals against the conical surface. 3. The device of claim 1, wherein the fitting assembly comprises: a fitting body with a bore having an internal shoulder;a tubular fitting insert positioned in the bore, the fitting insert having an external shoulder that abuts the internal shoulder to limit outward axial movement of the fitting insert in the bore, the passage extending through the fitting insert; and the first outer diameter seal comprises:a conical shoulder on the fitting insert that engages a mating conical shoulder on the outward facing shoulder. 4. The device of claim 3, wherein: the engagement of the internal shoulder in the bore with the external shoulder on the fitting insert comprises a sealing engagement. 5. The device of claim 1, wherein: the larger diameter portion has a packing assembly shoulder;the packing assembly has an inner end that abuts the packing assembly shoulder; andthe packing assembly includes a sealing member located between two spacers. 6. A hydrocarbon production device comprising: a production device housing;a port in the housing, the port having a larger diameter portion and a smaller diameter portion, the larger diameter portion having an axis and extending inward into the housing from an exterior of the housing to an outward facing shoulder, the smaller diameter portion extending inward from the outward facing shoulder;an annular fitting assembly having external fitting assembly threads secured to mating internal fitting assembly threads in the larger diameter portion;a passage extending axially through the fitting assembly;a first outer diameter seal located between an inner end of the fitting assembly and the outward facing shoulder, the first outer diameter seal being energized by an inward axial force on the first outer diameter seal in response to the external fitting assembly threads engaging the internal fitting assembly threads;a packing assembly in an annulus between the fitting assembly and an inner surface of the larger diameter portion of the port outward from the external fitting assembly threads;a packing gland having external packing gland threads that engage mating internal packing gland threads in the larger diameter portion outward from the internal fitting assembly threads, the packing gland having an inner end that engages and exerts an axial force on the packing assembly in response to securing the external packing gland threads to the internal packing gland threads, defining a redundant second outer diameter seal between the fitting assembly and the port; anda cap releasably secured to an outer end of the fitting assembly, the cap having a protruding member for sealing engagement with an outer end of the passage of the fitting assembly. 7. The device of claim 6, wherein the fitting assembly comprises: a fitting body with a bore having an internal shoulder;a tubular fitting insert in the bore, the fitting insert having an external shoulder that engages the internal shoulder in the bore, the passage extending through the fitting insert;the inner end of the fitting assembly comprises a conical nose on an inner end of the fitting insert, the axial force caused by the engagement of the external fitting assembly threads with the internal fitting assembly threads passing through the internal shoulder, the external shoulder and the nose to the outward facing shoulder: and wherein the device further comprises:a seat formed in the bore;a ball in the bore; anda spring in engagement with an outer end of the insert and the ball to urge the ball into sealing engagement with the seat. 8. A hydrocarbon production device comprising: a production device housing;a port in the housing, the port having a larger diameter portion and a smaller diameter portion, the larger diameter portion having an axis and extending inward into the housing to an outward facing shoulder, the smaller diameter portion extending inward from the outward facing shoulder, the port having a conical sealing surface at the outward facing shoulder;an annular fitting body having external fitting body threads secured in mating internal fitting body threads in the larger diameter portion, the annular fitting body having an axially extending bore extending from an inner end to an outer end of the annular fitting body, the bore having an internal shoulder and an inward facing seat outward from the internal shoulder;a tubular fitting insert within the bore, the fitting insert having an external shoulder that abuts the internal shoulder, the fitting insert having a conical nose on an inner end that protrudes past the inner end of the annular fitting body, the engagement of the external fitting body threads with the mating internal fitting body threads exerting an inward axial force on the nose of the fitting insert against the conical sealing surface of the port;a central passage extending axially through the fitting insert from the nose to an outer end of the fitting insert;a ball located in the bore between the outer end of the fitting insert and the seat;a spring in engagement with the outer end of the fitting insert and the ball, urging the ball into sealing engagement with the seat;an outward facing packing assembly shoulder in the larger diameter portion outward from external fitting body threads;a packing assembly in an annulus between the fitting body and the larger diameter portion of the port, the packing assembly having an inner end in abutment with the packing assembly shoulder;a packing gland having external packing gland threads that engage mating internal packing gland threads in the larger diameter portion, the packing gland having an inner end that abuts the packing assembly, the engagement of the external packing gland threads with the internal packing gland threads exerting an inward axial force on the packing gland; anda cap secured to the outer end of the fitting body and having an inward extending protrusion that seals to the bore at a point outward of the ball and the seat. 9. The device of claim 8, wherein each of the first and second outer diameter seals are formed of a material that is able to operate in temperatures in a range from −75 to +450 degrees Fahrenheit. 10. The device of claim 8, wherein the inner end of the fitting body is spaced outward from the outward facing shoulder by a gap. 11. The device of claim 8, wherein the engagement of the internal shoulder in the bore with the external shoulder on the fitting insert comprises a sealing engagement.

이 특허에 인용된 특허 (8)

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특허 상세정보

Dual seal fluid fitting

초록

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이 특허에 인용된 특허 (8)

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특허 상세정보

Dual seal fluid fitting

초록

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이 특허에 인용된 특허 (8)

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상세정보조회

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IPC 상세정보(version : 201201)

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