IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
UP-0694591
(2007-03-30)
|
등록번호 |
US-7845919
(2011-01-31)
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발명자
/ 주소 |
- Fukuchi, Eiji
- Sakurai, Hisatoshi
|
출원인 / 주소 |
|
대리인 / 주소 |
Rader, Fishman & Grauer PLLC
|
인용정보 |
피인용 횟수 :
1 인용 특허 :
13 |
초록
▼
An embodiment of a gerotor apparatus includes a housing including a first member. The first member includes a brake pin aperture formed therein. The apparatus also includes a brake pin at least partially interposed within the first member. The brake pin includes a first annular surface and a second
An embodiment of a gerotor apparatus includes a housing including a first member. The first member includes a brake pin aperture formed therein. The apparatus also includes a brake pin at least partially interposed within the first member. The brake pin includes a first annular surface and a second annular surface. The first annular surface defines, at least in part, a first brake chamber. The second annular surface defines, at least in part, a second brake chamber. A first fluid introduced into the first brake chamber will urge the brake pin in a first direction. A second fluid introduced into the second brake chamber will urge the brake pin generally in the first direction.
대표청구항
▼
What is claimed is: 1. A gerotor apparatus comprising: a housing including a first member and a second member, wherein the first member includes a brake pin aperture formed therein, and the second member includes a second member aperture formed therein; a gerotor device interposed at least partiall
What is claimed is: 1. A gerotor apparatus comprising: a housing including a first member and a second member, wherein the first member includes a brake pin aperture formed therein, and the second member includes a second member aperture formed therein; a gerotor device interposed at least partially between the first member and the second member, wherein the gerotor includes a ring having a contoured inner surface defining a ring aperture and a star at least partially interposed within the ring aperture; and a brake pin at least partially interposed within the first member, wherein the brake pin includes a first annular surface and a second annular surface, the first annular surface defines, at least in part, a first brake chamber, the second annular surface defines, at least in part, a second brake chamber, a first fluid introduced into the first brake chamber will urge the brake pin in a first direction, and wherein a second fluid introduced into the second brake chamber will urge the brake pin generally in the first direction; wherein the first fluid is selectively directed toward the first brake chamber through a first channel formed in the first member, and wherein the second fluid is selectively directed toward the second brake chamber through a second channel formed in the first member, such that an input pressure is alternated between the first and second brake chambers during rotation of the star. 2. The apparatus of claim 1, further comprising an output shaft at least partially interposed within the second member aperture, wherein the output shaft rotates generally about an output shaft axis. 3. The apparatus of claim 2, further comprising a drive at least partially interposed within the star and the output shaft, wherein the drive is rotatably interconnecting to the output shaft for articulating movement therewith. 4. The apparatus of claim 1, further comprising a plurality of rollers in contact with the star. 5. The apparatus of claim 4, wherein the star, the ring, and the rollers cooperate to define a plurality of volume chambers that vary in volume between a minimum volume and a maximum volume during rotation of the star; wherein the first member defines a plurality of channels, each of the plurality of channels in communication with a different one of said volume chambers such that an input pressure is applied to the plurality of channels in an alternating fashion during rotation of the star such that the input pressure is applied to at least one of the volume chambers throughout each full revolution of the star. 6. The apparatus of claim 5, wherein the input pressure is varied amongst the plurality of channels during rotation of the star such that at least one of the channels defines a channel pressure less than the input pressure throughout each full revolution of the star. 7. The apparatus of claim 1, wherein at least a portion of the brake pin is selectively interposed within the star aperture to restrict rotation of the star. 8. The apparatus of claim 7, at least one orifice in fluid communication with at least one of the first brake chamber and the second brake chamber. 9. The apparatus of claim 1, wherein the brake pin includes a generally cylindrical first surface extending between the first annular surface and the second annular surface. 10. A method of operating a hydraulic motor comprising: directing a first fluid into a first brake chamber to urge a brake pin in a first direction; directing a second fluid into a second brake chamber to urge the brake pin in the first direction; and engaging the brake pin with a gerotor star to restrict the rotation of the star; wherein the first fluid is selectively directed toward the first brake chamber through a first channel formed in the first member, and wherein the second fluid is selectively directed toward the second brake chamber through a second channel formed in the first member, such that an input pressure is alternated between the first and second brake chambers during rotation of the star. 11. The method of claim 10, wherein engaging the brake pin with the gerotor star includes urging the brake pin in a second direction, wherein the second direction is generally opposite the first direction. 12. The method of claim 11, wherein urging the brake pin in the second direction includes urging the brake pin in the second direction with a biasing member. 13. The method of claim 10, further comprising disengaging the brake pin from the gerotor star to permit rotation of the star. 14. The method of claim 10, wherein engaging the brake pin with the gerotor star includes interposing a portion of the brake pin into an aperture formed within the star. 15. The method of claim 14, further comprising moving the star to a position such that moving the brake pin will not result in the brake pin engaging the star aperture. 16. A gerotor apparatus comprising: a housing including a first member and a second member, wherein the first member includes a brake pin aperture formed therein, and the second member includes a second member aperture formed therein; a gerotor device interposed at least partially between the first member and the second member, wherein the gerotor includes a ring having a contoured inner surface defining a ring aperture and a star at least partially interposed within the ring aperture; and a brake pin at least partially interposed within the first member, wherein the brake pin includes a first annular surface and a second annular surface, the first annular surface defines, at least in part, a first brake chamber, the second annular surface defines, at least in part, a second brake chamber, a first fluid introduced into the first brake chamber will urge the brake pin in a first direction, and wherein a second fluid introduced into the second brake chamber will urge the brake pin generally in the first direction; wherein the first fluid is selectively directed toward the first brake chamber through a first channel formed in the first member, and wherein the second fluid is selectively directed toward the second brake chamber through a second channel formed in the first member, such that an input pressure is applied to the brake pin when the brake pin is aligned with a star aperture defined by the star; and wherein the inlet pressure is not applied to the brake pin when the brake pin is not aligned with the star aperture.
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