[특허]Generator set mount

CUMMINS POWER GENERATION, INC.

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특허 상세정보

MyON담기

내보내기 페이스북 공유 트위터 공유 카카오톡 공유

Generator set mount

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F02B-063/04 H02K-007/18 F16F-015/04 F16M-005/00 F16F-015/06 F16M-013/00 F16F-005/00 B62D-023/00
출원번호	US-0666460 (2012-11-01)
등록번호	US-9091322 (2015-07-28)
발명자 / 주소	Wang, Edward J. Tjenstrom, Brian D. Peterson, Gregory P. Seidlitz, Steve N. Sandlass, Gary Anderson, Jeffrey G. Cheah, SzeKwan
출원인 / 주소	CUMMINS POWER GENERATION, INC.
대리인 / 주소	Foley & Lardner LLP
인용정보	피인용 횟수 : 5 인용 특허 : 41

초록

A system and apparatus for a slip joint mount is disclosed to accommodate thermal expansion of a generator set on a base. One embodiment includes an electric generator driven by a prime mover and an equipment mount coupled to the prime mover. A base includes a mounting aperture and means for retaining the equipment mount to the mounting aperture. Also disclosed is means for allowing for movement of the equipment mount with respect to the mounting aperture due to thermal expansion of a portion of the prime mover.

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1. An apparatus, comprising: an electric power generator;a prime mover to drive the generator, the prime mover including a first mounting aperture and being comprised of a first material having a first thermal coefficient of expansion;a base including a second mounting aperture and being comprised of a second material having a second thermal coefficient of expansion different than the first thermal coefficient of expansion, at least one of the first aperture and the second aperture being sized to accommodate displacement between the prime mover and the base caused by a difference between the first thermal coefficient of expansion and the second coefficient of expansion;a slip joint mount to connect the prime mover and the base over a range of the displacement of the prime mover relative to the base, the slip joint mount including: at least one compression washer; anda fastening member extending through the first mounting aperture, the second mounting aperture, and the compression washer, the fastening member being secured to exert a compressive force on the compression washer to maintain the connection between the prime mover and the base over the range of displacement. 2. The apparatus of claim 1, wherein: the compression washer is a conical spring washer; andthe fastening member includes a threaded end portion opposite a head, and further comprising a threaded nut to secure the fastening member. 3. The apparatus of claim 1, wherein the first material is steel and the second material is iron. 4. The apparatus of claim 1, wherein the base is a skid including a plurality of tubular support members at least one of which defines the second aperture and the fastening member includes a threaded end portion that engages a retention assembly within the support member. 5. The apparatus of claim 4, wherein the retention assembly includes a nut fixed to a flange member, the flange member configured to contact the support member and prevent rotation of the nut relative to the support member as the fastening member is threadingly engaged with the nut. 6. The apparatus of claim 1, wherein the prime mover is an internal combustion engine. 7. The apparatus of claim 1, wherein the compression washer includes at least two compression washers stacked one upon the other. 8. The apparatus of claim 7, wherein each of the compression washers includes a concave side and a convex side opposite the concave side. 9. The apparatus of claim 8, wherein the at least two compression washers are stacked one upon the other with the concave sides facing one another. 10. The apparatus of claim 8, wherein the at least two compression washers are stacked one upon the other with the concave side of a first compression washer positioned against a convex side of the adjacent compression washer. 11. The apparatus of claim 8, wherein the at least two compression washers comprises at least three compression washers, and two of the compression washers are stacked on upon the other with the concave sides facing one another, and a third compression washer is stacked on one of the two compression washers with the convex side thereof against the convex side of the one of the two compression washers. 12. The apparatus of claim 7, wherein each of the compression washers includes a first flat contact surface around the concave side and a second flat contact surface around an opening of a central aperture on the convex side. 13. An apparatus, comprising: an electric power generator;a prime mover to drive the generator, the prime mover including a first mounting aperture;a base including an elongate support member, the support member defining a second mounting aperture intersecting a hollow interior space defined by the support member;a mounting mechanism to connect the prime mover and the base, the mounting mechanism including:a fastening member sized and shaped to extend through the first mounting aperture and the second mounting aperture, the fastening member including a threaded end portion; anda retention assembly including a threaded passage structured to receive the threaded end portion of the fastening member and a projection extending outwardly from the threaded passage, the projection being sized and shaped to align the threaded passage with the second aperture in the hollow interior space of the support member while in engagement with the support member to prevent rotation of the retention assembly when the threaded end portion of the fastening member is threadingly engaged to the threaded passage to secure the prime mover to the base. 14. The apparatus of claim 13, further comprising a compression spring, the fastening member extending through the compression spring, the first aperture, and the second aperture, and threadingly engaging the threaded passage to exert a compressive force on the compression spring to accommodate displacement caused by a difference in thermal coefficient of expansion between the prime mover and the base. 15. The apparatus of claim 14, wherein the threaded member is a bolt, the compression spring is a conical spring washer, the base is a skid including a number of support members, and the retention assembly defines a slip joint mount for the prime mover to the base. 16. The apparatus of claim 13, wherein the prime mover is an internal combustion engine. 17. An apparatus, comprising: a prime mover to drive an electric power generator;a prime mover mount, including a first mounting aperture, engaged to the prime mover;a base including a second mounting aperture;a shim positioned between the prime mover mount and the base;a sleeve extending at least partially through the first mounting aperture;a fastening member, including a retention plate at a first end and a retainer at a second end, extending through the sleeve, the shim and the second mounting aperture;a compression spring positioned between the retention plate and the prime mover mount; anda retention assembly engaged to the base that is coupled to the retainer to compressively engage the compression spring between the retention plate and the prime mover mount and secure the prime mover to the base. 18. The apparatus of claim 17, wherein the compression spring is selected from the group of compression springs consisting of a conical spring washer, a helical spring, and an elastomeric spring. 19. The apparatus of claim 17, wherein the sleeve further comprises a T-shaped bushing, wherein an end flange of the bushing is located between and in contact with the retention plate and the compression spring. 20. The apparatus of claim 17, wherein the base is a skid, and wherein the generator is mounted to the skid. 21. The apparatus of claim 20, further comprising a fixed prime mover mount operably coupled to the prime mover and the skid at a location toward the generator. 22. The apparatus of claim 21, wherein the prime mover is an internal combustion engine. 23. The apparatus of claim 17, wherein: the base further comprises a skid;the retainer of the fastening member further comprises a threaded portion; the retention assembly further comprises: a bracket, including a flange, configured to be received within a portion of the skid;the bracket including a receiving portion configured to threadingly receive the threaded portion of the retainer; andwherein the flange is configured to contact the skid and prevent rotation of the bracket while the retainer is threadingly engaged to the receiving portion of the bracket. 24. The apparatus of claim 23, wherein the fastening member is a bolt, wherein the retention plate is a bolt head, and wherein the receiving portion includes a nut fixed to the bracket. 25. The apparatus of claim 17, further comprising at least one washer located between the compression spring and the prime mover mount, and wherein the fastening member extends through the washer. 26. A system, comprising: a prime mover mount, including a first mounting aperture, coupled to a prime mover, the prime mover operably coupled to drive a generator;a base including a second mounting aperture;a bushing extending through a portion of the first mounting aperture;a shim positioned between the prime mover mount and the base;at least one compression spring between a portion of the bushing and the prime mover mount;a fastening member extending through the compression spring, the bushing, the shim and the second mounting aperture; anda retention assembly configured to receive and couple the fastening member to the base with an opposite end of the fastening member compressively engaging the bushing and the compression spring. 27. The system of claim 26, wherein the base further comprises a skid configured to receive the retention assembly, the retention assembly further comprising a flanged plate, and wherein the flanged plate includes a second threaded portion. 28. The system of claim 27, wherein the skid further comprises a plurality of semi- rectangular hollow support members including a plurality of third apertures disposed along a side of the support members. 29. The system of claim 28, wherein the compression spring is at least one of a conical spring washer, a helical spring, and an elastomeric spring. 30. The system of claim 29, further comprising: wherein the prime mover includes an engine block constructed of a material having a first thermal coefficient of expansion;wherein the skid is constructed of a material having a second thermal coefficient of expansion; andwherein the first thermal coefficient of expansion and the second thermal coefficient of expansion are unequal. 31. The system of claim 26, further comprising a fixed mount located toward the generator that couples the prime mover to the base. 32. The system of claim 26, further comprising a washer located between the compression spring and the prime mover mount, wherein the fastening member extends through the washer. 33. The system of claim 26, wherein the prime mover is an internal combustion engine. 34. The system of claim 26, wherein the at least one compression spring includes a plurality of conical spring washers stacked one upon another. 35. The system of claim 34, wherein at least two of the conical spring washers are stacked in a nested relationship with a concave side of one conical spring washer receiving a convex side of the other conical spring washer to increase a load carrying capability of the stack of conical spring washers. 36. The system of claim 34, wherein at least two of the conical spring washers are stacked in a facing relationship with a concave side of one conical spring washer facing a concave side of the other conical spring washer to increase a deflection capability of the stack of conical spring washers. 37. An apparatus, comprising: an electric generator driven by a prime mover;an prime mover mount operably coupled to the prime mover;a base including a mounting aperture;means for retaining the prime mover mount to the mounting aperture; and means for allowing for movement of the prime mover mount with respect to the mounting aperture during thermal expansion of a portion of the prime mover, wherein the means for retaining and the means for allowing movement include a compression washer. 38. The apparatus of claim 37, wherein means for retaining the prime mover mount to the mounting aperture further includes means for preventing rotation of a retention member retaining means that threadingly receives a portion of a fastening member of the retaining means during at least one of installation and tightening of the fastening member. 39. The apparatus of claim 37, wherein the prime mover is an internal combustion engine. 40. A method, comprising: providing a prime mover including a first mounting aperture and a base including a second mounting aperture;mechanically coupling an electric power generator to the prime mover, the prime mover operable to drive the generator;extending a fastening member through at least one compression spring, the first mounting aperture, and the second mounting aperture; andsecuring the fastening member to exert a compressive force on the compression spring. 41. The method of claim 40, further comprising: positioning a slidable shim between the first mounting aperture and the second mounting aperture and extending the fastening member through the slidable shim. 42. The method of claim 40, wherein securing the fastening member further comprises: inserting a retention assembly, having a flange, through a third aperture of the base and into a hollow interior space of the base;aligning a threaded portion of the retention assembly with the second aperture; androtating the fastening member to thread a portion of the fastening member into the threaded portion of the retention assembly while the retention assembly contacts the base to prevent rotation of the threaded portion. 43. The method of claim 40, wherein the prime mover is an internal combustion engine. 44. The method of claim 40, wherein the at least one compression spring includes at least two conical spring washers stacked one upon the other. 45. The method of claim 44, wherein the at least two conical spring washers are stacked one upon the other with concave sides facing one another. 46. The method of claim 44, wherein the at least two conical spring washers are stacked one upon the other with a concave side of one spring washer positioned against a convex side of the other spring washer. 47. The method of claim 44, wherein the at least two conical spring washers comprises at least three conical spring washers, and two of the spring washers are stacked on upon the other with concave sides facing one another, and a third spring washer is stacked on one of the two spring washers with convex sides thereof against one another.

이 특허에 인용된 특허 (41)

이 특허를 인용한 특허 피인용횟수: 5

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Generator set mount

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이 특허에 인용된 특허 (41)

이 특허를 인용한 특허 피인용횟수: 5

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특허 상세정보

Generator set mount

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이 특허에 인용된 특허 (41)

이 특허를 인용한 특허 피인용횟수: 5

IPC 상위 출원인

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