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Oil pressure control valve assembly for hydrostatic transmissions 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • F16D-031/02
  • F16K-031/12
출원번호 US-0040884 (1993-03-31)
우선권정보 JP-0034476 (1992-04-24); JP-0106676 (1992-04-24); JP-0131878 (1992-04-24)
발명자 / 주소
  • Sakikawa Shigenori (Itami JPX) Sakakura Shinya (Amagasaki JPX)
출원인 / 주소
  • Kanzaki Kokyukoki Mfg. Co., Ltd. (Amagasaki JPX 03)
인용정보 피인용 횟수 : 56  인용 특허 : 0

초록

In a valve mechanism for controlling oil pressure in an oil path (13) connecting between a hydraulic pump (11) and motor (12) of a hydrostatic transmission (10), a differential piston (23) serving as a relief valve member for gradually increasing the oil pressure has a larger pressure-applied surfac

대표청구항

An oil pressure control valve assembly for a vehicle hydrostatic transmission which comprises: a first port (21) connected to an oil path connecting between a hydraulic pump and hydraulic motor of the hydrostatic transmission; a second port (22) connected to an oil-charging path from a charging pump

이 특허를 인용한 특허 (56)

  1. Noël, Roger, Arrangement for controlling rock drilling.
  2. Windhorst,Scott E.; Reid,Bruce E., Assembly for use with a return to neutral mechanism.
  3. Windhorst,Scott E.; Reid,Bruce E., Assembly for use with a return to neutral mechanism.
  4. Raymond Hauser ; John Schreier, Axle driving device having lobed bearings.
  5. Hauser Raymond ; Schreler John ; Houser Michael ; Oolnk Juan Pedro Roberto A., Bypass for a hydrostatic transmission.
  6. Phanco, Eric S.; Rawski, Kenneth J., Center section for a hydrostatic transaxle.
  7. Rawski, Kenneth J., Center section for hydraulic drive apparatus.
  8. Phanco,Eric S., Combination check valve and neutral valve assembly for use in a hydraulic component.
  9. Trimble, Robert, Control device for hydraulic pump.
  10. Hauser Raymond M. ; Langenfeld Thomas J. ; Ward William H., Control device for hydrostatic apparatus.
  11. Wiley, Thomas D.; Poplawski, Herb, Control mechanism for hydraulic devices.
  12. Hauser, Raymond; Holder, Lonnie E., Dual pump.
  13. Bennett,Michael L., Dual pump apparatus.
  14. Hauser, Raymond; Bennett, Michael L., Dual pump apparatus with power take off.
  15. Hauser,Raymond; Holder,Lonnie E., Dual pump transmission.
  16. Holder, Lonnie E.; Trimble, Robert E.; Todd, Michael, Dual pump transmission.
  17. Holder,Lonnie E.; Todd,Michael; Trimble,Robert E., Dual pump transmission.
  18. Phanco, Eric S.; Given, Patricia J.; Wahner, Adam W., Filter assembly for a hydrostatic transaxle.
  19. Hauser, Raymond; Schreier, John, Filter for hydrostatic device.
  20. Hauser Raymond M. ; Holder Lonnie E. ; Schreier John D. ; Sporrer Ronald J. ; Bennett Michael Lee, Housing and center section for hydrostatic transmission.
  21. Brandenburg, Neil; Wilson, Jeffrey A.; Poplawski, Herb, Hydraulic apparatus with return to neutral mechanism.
  22. Poplawski, Herb; Taylor, Michael W.; Buescher, Ryan S., Hydraulic apparatus with return to neutral mechanism.
  23. Poplawski,Herb; Taylor,Michael; Buescher,Ryan S.; Wilson,Jeffrey A.; Brandenburg,Neil, Hydraulic apparatus with return to neutral mechanism.
  24. Hauser, Raymond; Schreier, John, Hydrostatic Transmission.
  25. Sakakura Shinya,JPX ; Ohashi Ryota,JPX ; Sakikawa Shigenori,JPX, Hydrostatic Transmission.
  26. Phanco, Eric S.; Rawski, Kenneth J., Hydrostatic transaxle.
  27. Phanco, Eric S.; Rawski, Kenneth J., Hydrostatic transaxle.
  28. Phanco, Eric S.; Rawski, Kenneth J.; Ward, William H., Hydrostatic transaxle.
  29. Hauser Raymond ; Schreier John ; Houser Michael ; Ooink Juan Pedro Roberto A., Hydrostatic transmission.
  30. Hauser Raymond ; Wigness Craig ; Langenfeld Thomas ; Ward William Herbert, Hydrostatic transmission.
  31. Hauser,Raymond; Schreier,John, Hydrostatic transmission.
  32. Hauser,Raymond; Schreier,John D., Hydrostatic transmission.
  33. Raymond Hauser ; John Schreier, Hydrostatic transmission.
  34. Raymond M. Hauser ; Lonnie E. Holder ; John D. Schreier ; Ronald J. Sporrer ; Michael Lee Bennett, Hydrostatic transmission.
  35. Schreier, John, Hydrostatic transmission.
  36. Johnson, Kevin L., Hydrostatic transmission having hydraulic dampening and neutral bleed mechanism.
  37. Trimble Robert, Pump.
  38. Trimble, Robert, Pump.
  39. Trimble, Robert, Pump.
  40. Trimble, Robert, Pump.
  41. Trimble, Robert E., Pump.
  42. Trimble,Robert, Pump.
  43. Trimble,Robert E., Pump.
  44. Ward, William H., Tandem pump and interface for same.
  45. Ward, William H., Tandem pump and interface for same.
  46. William H. Ward, Tandem pump and interface for same.
  47. Trimble,Robert E.; Christiansen,Tage; Kryhlmand,Anders; Kopel,Thomas, Valve Assembly.
  48. Trimble,Robert E.; Christiansen,Tage; Kryhlmand,Anders; Kopel,Thomas, Valve assembly.
  49. Hauser, Raymond; Ward, William H., Valve for a hydraulic drive apparatus.
  50. Hauser, Raymond; Ward, William H., Valve for a hydraulic drive apparatus.
  51. Hauser,Raymond; Ward,William H., Valve for a hydraulic drive apparatus.
  52. Hauser,Raymond; Ward,William H., Valve for a hydraulic drive apparatus.
  53. Phanco, Eric S.; Rawski, Kenneth J.; Given, Patricia J.; Ward, William H.; Holder, Lonnie E., Zero-turn hydrostatic transaxle.
  54. Rawski,Kenneth J., Zero-turn hydrostatic transaxle.
  55. Herb Poplawski ; Michael W. Taylor ; Ryan S. Buescher, Zero-turn transaxle with mounted return to neutral mechanism.
  56. Poplawski, Herb; Taylor, Michael W.; Buescher, Ryan S., Zero-turn transaxle with mounted return to neutral mechanism.
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