[특허]Vehicle brake lathe with variable speed motor

Hunter Engineering Company

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특허 상세정보

MyON담기

내보내기 페이스북 공유 트위터 공유 카카오톡 공유

Vehicle brake lathe with variable speed motor

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B23B-003/22 B23B-003/00
미국특허분류(USC)	082/112; 082/001.11
출원번호	US-0898115 (2004-07-23)
등록번호	US-7334510 (2008-02-26)
발명자 / 주소	Gerdes,Michael D. Olsen,Michael A. Colarelli, III,Nicholas J. Caorle,Alberto
출원인 / 주소	Hunter Engineering Company
대리인 / 주소	Polster, Lieder, Woodruff & Lucchesi, L.C.
인용정보	피인용 횟수 : 4 인용 특허 : 5

초록

The present invention relates to on-car brake lathes configured for resurfacing brake rotor components, and in particular, to improved on-car brake lathes configured with a controlled variable speed drive system.

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The invention claimed is: 1. A on-car brake lathe system for resurfacing a brake disk of a vehicle brake assembly coupled to a vehicle axle, the brake lathe system having a support structure, an adjustable cutting head secured to the support structure, and an output spindle secured to the support structure and rotationally driven about a drive axis, comprising: a variable speed drive system secured to said support structure, said variable speed drive system having a variable speed spindle motor operatively coupled to said output spindle to rotationally drive said output spindle about the drive axis at a selected variable drive speed; and wherein said variable speed spindle motor is further configured to drive said adjustable cutting head at a selected variable feed rate. 2. The on-car brake lathe system of claim 1 wherein said variable speed drive system is a direct current motor. 3. The on-car brake lathe system of claim 2 wherein said variable speed drive system is configured with a pulse width modulation motor controller. 4. The on-car brake lathe system of claim 2 wherein said variable speed drive system is configured with an SOR motor controller. 5. The on-car brake lathe system of claim 1 wherein said variable speed drive system is an alternating current motor. 6. The on-car brake lathe system of claim 5 wherein said variable speed drive system is configured with a vector drive motor controller. 7. The on-car brake lathe system of claim 5 wherein said variable speed drive system is configured with a motor controller having an inverter circuit. 8. The on-car brake lathe system of claim 5 wherein said variable speed drive system is configured with a Volts/Hertz drive motor controller. 9. The on-car brake lathe system of claim 8 wherein said variable drive speed is less than 120 RPM. 10. The on-car brake lathe system of claim 1 wherein said output spindle variable speed is selected from a plurality of predetermined speeds. 11. The on-car brake lathe system of claim 10 wherein at least one of said plurality of predetermined speeds is less than 60 RPM. 12. The on-car brake lathe system of claim 1 further including a manual input signal representing a desired speed of rotation of the output spindle, said variable speed drive system being responsive thereto to alter said variable drive speed to cause the output spindle to rotate at said desired speed of rotation. 13. The on-car brake lathe system of claim 12 further including a display of the desired speed. 14. The on-car brake lathe system of claim 12 wherein the variable speed drive system is responsive to a manual input signal to rotate the output spindle at a rotational speed substantially less than the full speed of said variable speed drive system. 15. The on-car brake lathe system of claim 1 wherein the variable speed drive system includes an electric motor. 16. The on-car brake lathe system of claim 1 wherein the variable speed drive system includes a transmission having at least two discrete output speeds. 17. A on-car brake lathe system for resurfacing a brake disk of a vehicle brake assembly, the brake lathe system having a support structure, an adjustable cutting head secured to the support structure, and an output spindle secured to the support structure and rotationally driven about a drive axis, further comprising: a variable speed spindle motor secured to said support structure and operatively coupled independentlv drive each of said output spindle and said adjustable cutting head; a motor controller operatively coupled to said variable speed spindle motor; and wherein said motor controller is configured to control said variable speed spindle motor to selectively drive said output spindle at a variable drive speed and to selectively drive said adjustable cutting head at a variable feed rate. 18. The on-car brake lathe system of claim 17 wherein said motor controller is operatively coupled to a microprocessor, said motor controller configured to control said variable speed spindle motor responsive to at least one signal from said microprocessor. 19. The on-car brake lathe system of claim 17 wherein said motor controller is configured to stop rotation of the variable speed spindle motor in response to one or more predetermined conditions. 20. The on-car brake lathe system of claim 17 where said motor controller is configured to control rotational movement of said variable speed spindle motor through a rotational arc of less than 360 degrees. 21. The on-car brake lathe system of claim 17 where said motor controller is configured to control rotational movement of said variable speed spindle motor to selectively position said output spindle at one or more rotational positions. 22. The on-car brake lathe system of claim 18 wherein said microprocessor is configured responsive to a vehicle brake assembly having a parameter greater than a predetermined threshold, to cause said motor controller to regulate the output spindle to rotate at less than a first selected drive speed. 23. The on-car brake lathe system of claim 22 wherein said microprocessor is further configured responsive to said parameter not exceeding said predetermined threshold, to cause said motor controller to regulate the output spindle to rotate at a second selected drive speed, the first selected drive speed being lower than the second selected drive speed. 24. The on-car brake lathe system of claim 18 further including at least one input device for providing at least one speed selection signal indicative of a desired speed to said microprocessor; said microprocessor responsive to said at least one speed selection signal to signal said motor controller to drive the output spindle at a drive speed corresponding to said desired speed. 25. The on-car brake lathe system of claim 18 wherein said microprocessor is configured to determine the torque required to achieve rotation of the output spindle during a first application of power to said variable speed spindle motor. 26. The on-car brake lathe of claim 25 wherein said microprocessor is further configured to store said required torque, and to establish said stored torque as a starting torque for subsequent applications of power. 27. The on-car brake lathe system of claim 1 wherein said variable speed spindle motor is further configured to selectively drive said output spindle about the drive axis in a rotational direction selected from between a first rotational direction and a second rotational direction which is opposite from said first rotational direction. 28. The on-car brake lathe system of claim 17 wherein said motor controller is further configured to control said variable speed spindle motor to selectively drive said output spindle in a selected rotational direction at said variable drive speed, said rotational direction selected from between a first rotational direction and a second rotational direction which is opposite from said first rotational direction.

이 특허에 인용된 특허 (5)

이 특허를 인용한 특허 (4)

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특허 상세정보

Vehicle brake lathe with variable speed motor

초록

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이 특허에 인용된 특허 (5)

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특허 상세정보

Vehicle brake lathe with variable speed motor

초록

대표청구항 ▼

이 특허에 인용된 특허 (5)

이 특허를 인용한 특허 (4)

IPC 상위 출원인

과제정보

상세정보조회

원문조회

IPC 상세정보(version : 201201)

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