[특허]Orbital transmission with geared overdrive

Orbital transmission with geared overdrive 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F16H-037/04 F16H-037/02
출원번호	US-0153112 (2005-06-15)
등록번호	US-7475617 (2009-01-13)
발명자 / 주소	Gleasman,James Y. Gleasman,Keith E. Wrona,Matthew R.
출원인 / 주소	Torvec, Inc.
대리인 / 주소	Brown & Michaels, PC
인용정보	피인용 횟수 : 0 인용 특허 : 32

초록 ▼

The transmission includes an orbital gear complex in combination with a variable hydraulic pump and motor. The input to the transmission is increased in speed by the orbital gearing such that, when the pump and motor are not operating, the orbiter is stationary, and the orbital gearing produces an overdrive condition. A gear reduction is accomplished by rotating the web with the web-rotating device, providing a high gear reduction. The pump and motor are preferably long-piston hydraulic machines with infinitely variable swash plates. The hydraulic machines preferably have wobblers stabilized by full gimbals and hold-down plates with elongated holes for the long pistons to eliminate possible impacts between the hold-down plates and the head ends of the long pistons when the swash-plates are at or near their maximum angle of inclination.

대표청구항 ▼

What is claimed is: 1. A transmission for a primary engine, the transmission comprising: an orbiter comprising: an input gear mounted on a first axis and responsive to an input drive provided by the primary engine; an output gear mounted on said first axis; and at least one cluster gear meshed with only said input and output gears and mounted for rotation on an orbit shaft positioned parallel with said first axis; and an orbiter web supporting said orbit shaft and mounted for rotation about said first axis to permit the orbit shaft and the cluster gear to orbit, respectively, said first axis and said input and output gears; wherein the gear tooth ratios between said cluster gear and said input and output gears are selected so that, when rotation of the web is prevented, rotation of said input gear produces rotation of said output gear at a predetermined overdrive of the input drive. 2. The transmission of claim 1 further comprising a variable web-rotating device operatively connectable to the orbiter web for controlling rotation of the web and wherein, when said web is rotated in a first direction, as the speed of rotation of the web increases, said predetermined overdrive of the input drive is diminished to a 1:1 ratio and thereafter to a gear reduction of the input drive that increases relative to said speed of rotation of the web. 3. The transmission of claim 2, wherein rotating the web in said first direction at a predetermined speed stops the rotation of said output gear. 4. The transmission of claim 3, wherein rotating the web in said first direction at a speed greater than said predetermined speed reverses the direction of rotation of said output gear. 5. The transmission of claim 2, wherein rotating the web in a second direction opposite the first direction provides an infinitely varying overdrive greater than said predetermined overdrive. 6. The transmission of claim 2 further comprising a first clutch for selectively connecting said variable web-rotating device and said orbiter web. 7. The transmission of claim 6 further comprising: a plurality of gears interconnected consecutively to form a train of gears separate from said orbiter; and a second clutch for selectively connecting said input drive provided by said primary engine with said orbiter web; wherein, when said first clutch disconnects said variable web-rotating device and said orbiter web and when said second clutch connects said input drive and said orbiter web, said output gear and said orbiter web both rotate at 1:1 with said input drive. 8. The transmission of claim 2, wherein said variable web-rotating device comprises an electric motor in combination with an electric generator that is driven by said engine. 9. The transmission of claim 2, wherein said variable web-rotating device comprises a variable hydraulic motor driven by a variable hydraulic pump that is driven by said engine. 10. The transmission of claim 9, wherein said variable hydraulic motor and variable hydraulic pump are each enclosed in a respective housing and comprise: a cylinder block having a plurality of cylinders formed in the cylinder block and positioned circumferentially at a first radial distance about the rotational axis of a drive element; a plurality of respective pistons reciprocally mounted in said cylinders, each piston comprising a piston body and a spherical head connected to the piston body by a narrowed neck and each respective cylinder having an open head portion beyond which the piston head extends at all times; a split swash plate driven by said drive element and comprising: a variably-inclined rotor that rotates and nutates; and a wobbler having a flat face that only nutates; wherein the stroke of each piston varies in accordance with the inclination of said swash plate up to a predetermined maximum; and a respective sliding shoe pivotally and directly affixed to each piston head without any intermediate dog-bone, each respective sliding shoe being maintained in direct sliding contact with said flat face during all relative rotary motions between the piston and the flat face. 11. The transmission of claim 10, each hydraulic machine further comprising a gimbal comprising an annular yoke connected to said housing by a first pair of gimbal pins spaced 180° apart and connected to the wobbler of said split swash plate by a second pair of gimbal pins also spaced 180° apart, wherein each gimbal pin of said first pair lies 90° apart from each gimbal pin of said second pair. 12. The transmission of claim 11 wherein (a) said single orbiter, and (b) said variable hydraulic motor driven by said variable hydraulic pump are constructed as separate modules.

이 특허에 인용된 특허 (32)

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Vernon E. Gleasman ; Keith E. Gleasman ; Warren R. Alexander, Steer-drive for vehicles.
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Gleasman Vernon E. (11 Pondview Dr. Pittsford NY 14534) Gleasman Keith E. (11 McCord Woods Dr. Fairport NY 14450) Gleasman James Y. (1701 Laguna Loma Cove Austin TX 78746), Steer-driven reduction drive system.
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Gleasman Vernon E. (11 Pondview Dr. Pittsford NY 14534) Gleasman Keith E. (11 McCoord Woods Fairport NY 14450) McElroy ; II Arthur H. (Tulsa OK) Porter David W. (Broken Arrow OK), Variable hydraulic machine.
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Orbital transmission with geared overdrive 원문보기

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