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Variable flow hydraulic system

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • F16D-031/02
출원번호 US-0233876 (1999-01-20)
발명자 / 주소
  • Lech Richard J.
출원인 / 주소
  • Case Corporation
대리인 / 주소
    Foley & Lardner
인용정보 피인용 횟수 : 68  인용 특허 : 12

초록

A variable flow hydraulic system including a fixed displacement pump and a variable displacement pump for supplying pressurized hydraulic fluid in a machine is disclosed herein. Along with the dual pumps, the system includes a reservoir, a flow sensitive unloading valve, and a conduit system for dis

대표청구항

[ What is claimed is:] [1.] A variable flow hydraulic system for supplying pressurized fluid in a machine, the machine having a power source for driving the hydraulic system and a work circuit having at least one fluid actuator for performing work in response to an applied hydraulic fluid flow, the

이 특허에 인용된 특허 (12)

  1. Udono Jun (Higashiyamato JPX), Automotive vehicle hydraulic system.
  2. Virtue Eugene P. (Tinley Park IL) Lech Richard J. (Lockport IL), Combined fixed and variable displacement pump system.
  3. Virtue Eugene P. (Tinley Park IL) Lech Richard J. (Lockport IL), Combined fixed and variable displacement pump system.
  4. VanGerpen Harlan Welbert (Cedar Falls IA), Demand compensated hydraulic system with flow sensitive device.
  5. Lech Richard J. (Naperville IL), Header flotation.
  6. Christensen Carsten,DKX ; Dixen Carl Christian,DKX, Hydraulic system.
  7. Lech Richard J. (Burlington IA) Pieper Patrick J. (Carol Stream IL), Hydraulic system for a backhoe apparatus.
  8. Lech Richard J. (Burlington IA), Hydraulic system for backhoe.
  9. Hadank John M. (Dunlap IL) Creger Todd D. (Peoria IL), Proportional valve control apparatus for fluid systems.
  10. Bartlett William P. (Dodge Center MN), Remote unloader hydraulic valve system.
  11. Lech Richard J. (Lockport IL), Variable volume dual pump circuit.
  12. Tischer Dieter (Wendlingen DEX) Niethammer Bernd (Nrtingen DEX), Volume flow control for hydraulic systems of vehicles, especially for steering devices of motor vehicles.

이 특허를 인용한 특허 (68)

  1. Heitz, Jr., Arthur, Adaptable hydraulic control system.
  2. Horii, Hiroshi, Backhoe hydraulic system.
  3. Francis, John E.; Shane, Mark D., Bucket shakeout mechanism for electro-hydraulic machines.
  4. Laws, Nathan H.; Copeland, Jonathan R.; Foxen, Jacob J.; Brandon, Anthony W., Charge pressure reduction circuit for improved transmission efficiency.
  5. Coombs, Jason R.; St. Aubin, Joseph A.; Lacher, Jonathan J.; Koch, Rodney, Control valve assembly.
  6. Coombs, Jason R.; St. Aubin, Joseph A.; Lacher, Jonathan J.; Koch, Rodney, Control valve assembly.
  7. McBride, Troy O.; Bollinger, Benjamin R.; Berg, Joel, Dead-volume management in compressed-gas energy storage and recovery systems.
  8. Roth, Jurgen; Fleckenstein, Franz, Device for cooling components by means of hydraulic fluid from a hydraulic circuit.
  9. Bargach, Saad; Bonner, Stephen D.; Nold, III, Raymond V.; Massey, James P.; Brunetti, Jon A., Downhole power conversion and management using a dynamically variable displacement pump.
  10. McBride, Troy O.; Cook, Robert; Bollinger, Benjamin R.; Doyle, Lee; Shang, Andrew; Wilson, Timothy; Scott, Michael Neil; Magari, Patrick; Cameron, Benjamin; Deserranno, Dimitri, Energy storage and generation systems and methods using coupled cylinder assemblies.
  11. McBride, Troy O.; Cook, Robert; Bollinger, Benjamin R.; Doyle, Lee; Shang, Andrew; Wilson, Timothy; Scott, Michael Neil; Magari, Patrick; Cameron, Benjamin; Deserranno, Dimitri, Energy storage and generation systems and methods using coupled cylinder assemblies.
  12. McBride, Troy O.; Cook, Robert; Bollinger, Benjamin R.; Doyle, Lee; Shang, Andrew; Wilson, Timothy; Scott, Micheal Neil; Magari, Patrick; Cameron, Benjamin; Deserranno, Dimitri, Energy storage and generation systems and methods using coupled cylinder assemblies.
  13. McBride, Troy O.; Bollinger, Benjamin R., Energy storage and recovery utilizing low-pressure thermal conditioning for heat exchange with high-pressure gas.
  14. Harsia, Jarmo Antero, Fixed/variable hybrid system.
  15. McBride, Troy O.; Bollinger, Benjamin R., Fluid circulation in energy storage and recovery systems.
  16. Brinkley, Jerry Lee; Stoever, Guy Thomas; Restaino, III, Gerard, Fluid cooler bypass system for an agricultural work vehicle.
  17. Kuttler, Onno; Stein, Uwe, Fluid working machine.
  18. Bollinger, Benjamin R.; Doyle, Lee; Scott, Michael Neil; McBride, Troy O.; Shang, Andrew, Fluid-flow control in energy storage and recovery systems.
  19. McBride, Troy O.; Bell, Alexander; Bollinger, Benjamin R., Forming liquid sprays in compressed-gas energy storage systems for effective heat exchange.
  20. McBride, Troy O.; Bell, Alexander; Bollinger, Benjamin R.; Shang, Andrew; Chmiel, David; Richter, Horst; Magari, Patrick; Cameron, Benjamin, Forming liquid sprays in compressed-gas energy storage systems for effective heat exchange.
  21. Bollinger, Benjamin R.; McBride, Troy O.; Cameron, Benjamin; Magari, Patrick; Izenson, Michael; Chen, Weibo, Heat exchange with compressed gas in energy-storage systems.
  22. Bollinger, Benjamin R.; McBride, Troy O.; Cameron, Benjamin; Magari, Patrick; Izenson, Michael; Chen, Weibo, Heat exchange with compressed gas in energy-storage systems.
  23. McBride, Troy O.; Scott, Michael Neil; Modderno, Jeffrey; Bollinger, Benjamin R., High-efficiency energy-conversion based on fluid expansion and compression.
  24. Bollinger, Benjamin; Magari, Patrick; McBride, Troy O., High-efficiency heat exchange in compressed-gas energy storage systems.
  25. Bollinger, Benjamin; Magari, Patrick; McBride, Troy O., High-efficiency liquid heat exchange in compressed-gas energy storage systems.
  26. Simpson, Edwin K., Hybrid electro-hydraulic power device.
  27. Arii,Kazuyoshi, Hydraulic circuit for backhoe.
  28. Brinkman, Jason L.; Kuehn, Jeffrey L., Hydraulic circuit for rapid bucket shake out.
  29. Shimizu, Tetsuya; Noguchi, Akira; Noda, Kazuyuki; Yoshida, Masaki; Matsubara, Tooru; Kumazaki, Kenta; Tabata, Atsushi; Ibaraki, Ryuji; Iwase, Yuji; Kakinami, Takuma, Hydraulic control device.
  30. Memory Russell J.,CAX ; Bodie Cameron D.,CAX, Hydraulic system having boost pump in parallel with a primary pump and a boost pump drive therefor.
  31. Brinkman, Jason; Currier, Shaun; Jakubiak, Eric, Hydraulic system having dual manifolds.
  32. Ballweg, Jacob; Pieper, Gary J.; Quinnell, Corey K.; Starkey, Jonathan M.; Hamkins, Eric P., Hydraulic system with fluid flow summation control of a variable displacement pump and priority allocation of fluid flow.
  33. Wadsley, Luke; Caldwell, Niall, Hydraulic system with supplement pump.
  34. Bollinger, Benjamin; Magari, Patrick; McBride, Troy O., Improving efficiency of liquid heat exchange in compressed-gas energy storage systems.
  35. McBride, Troy O.; Bollinger, Benjamin R., Increased power in compressed-gas energy storage and recovery.
  36. McBride, Troy O.; Bollinger, Benjamin R., Increased power in compressed-gas energy storage and recovery.
  37. Greer, Aaron, Material handling machine with bucket shake control system and method.
  38. Vigholm, Bo; Bånkestad, Nils Erik; Räisanen, Rauno, Method for shaking a work implement.
  39. Thomas, Dante Toran; Sporer, Mark Andrew; Pielmeier, Kevin Edward; Groves, Joseph Dale, Method of altering operation of work machine based on work tool performance footprint to maintain desired relationship between operational characteristics of work tool and work machine.
  40. Krieger,Daniel J., Multi-purpose hydraulic system.
  41. Krieger,Daniel J., Multi-purpose hydraulic system.
  42. Bargach, Saad; Bonner, Stephen D.; Nold, III, Raymond V.; Massey, James P.; Brunetti, Jon A., Rotary steerable drilling tool.
  43. Earhart, David E.; Rodgers, II, Dane L., Split-pressure dual pump hydraulic fluid supply system for a multi-speed transmission and method.
  44. Patel,Saujesh, System and method for controlling shakability of a work tool.
  45. Bollinger, Benjamin R., System and method for rapid isothermal gas expansion and compression for energy storage.
  46. Bollinger, Benjamin R., System and method for rapid isothermal gas expansion and compression for energy storage.
  47. Brinkman, Jason L.; Kuehn, Jeffrey L., System and method for rapidly shaking an implement of a machine.
  48. Quinnell, Corey K.; Pfaff, Joseph L.; Starkey, Jonathan M.; Hamkins, Eric P., System for allocating fluid from multiple pumps to a plurality of hydraulic functions on a priority basis.
  49. McBride, Troy O.; Bollinger, Benjamin R.; Izenson, Michael; Chen, Weibo; Magari, Patrick; Cameron, Benjamin, Systems and methods for combined thermal and compressed gas energy conversion systems.
  50. McBride, Troy O.; Bollinger, Benjamin; Izenson, Michael; Chen, Weibo; Magari, Patrick; Cameron, Benjamin, Systems and methods for combined thermal and compressed gas energy conversion systems.
  51. McBride, Troy O.; Bollinger, Benjamin R.; Schaefer, Michael; Kepshire, Dax, Systems and methods for compressed-gas energy storage using coupled cylinder assemblies.
  52. McBride, Troy O.; Bollinger, Benjamin R.; Scott, Michael Neil; Cook, Robert; Magari, Patrick J., Systems and methods for efficient pumping of high-pressure fluids for energy.
  53. McBride, Troy O.; Bollinger, Benjamin R.; Scott, Michael Neil; Cook, Robert; Magari, Patrick, Systems and methods for efficient pumping of high-pressure fluids for energy storage and recovery.
  54. McBride, Troy O.; Bollinger, Benjamin R.; Bessette, Jon; Bell, Alexander; Kepshire, Dax; La Ven, Arne; Rauwerdink, Adam, Systems and methods for efficient two-phase heat transfer in compressed-air energy storage systems.
  55. McBride, Troy O.; Bollinger, Benjamin R.; Bessette, Jon; Bell, Alexander; Kepshire, Dax; LaVen, Arne; Rauwerdink, Adam, Systems and methods for efficient two-phase heat transfer in compressed-air energy storage systems.
  56. McBride, Troy O.; Bollinger, Benjamin, Systems and methods for energy storage and recovery using compressed gas.
  57. McBride, Troy O.; Bollinger, Benjamin R., Systems and methods for energy storage and recovery using compressed gas.
  58. McBride, Troy O.; Bollinger, Benjamin R., Systems and methods for energy storage and recovery using compressed gas.
  59. McBride, Troy O.; Bollinger, Benjamin R.; Schaefer, Michael; Kepshire, Dax, Systems and methods for energy storage and recovery using gas expansion and compression.
  60. McBride, Troy O.; Bollinger, Benjamin R.; Izenson, Michael; Chen, Weibo; Magari, Patrick; Cameron, Benjamin; Cook, Robert; Richter, Horst, Systems and methods for energy storage and recovery using rapid isothermal gas expansion and compression.
  61. McBride, Troy O.; Bollinger, Benjamin R.; Izenson, Michael; Chen, Weibo; Magari, Patrick; Cameron, Benjamin; Cook, Robert; Richter, Horst, Systems and methods for energy storage and recovery using rapid isothermal gas expansion and compression.
  62. McBride, Troy O.; Bollinger, Benjamin R.; Izenson, Michael; Chen, Weibo; Magari, Patrick; Cameron, Benjamin; Cook, Robert; Richter, Horst, Systems and methods for energy storage and recovery using rapid isothermal gas expansion and compression.
  63. Bollinger, Benjamin R.; McBride, Troy O.; Schaefer, Michael, Systems and methods for improving drivetrain efficiency for compressed gas energy storage.
  64. Bollinger, Benjamin R.; McBride, Troy O., Systems and methods for improving drivetrain efficiency for compressed gas energy storage and recovery systems.
  65. McBride, Troy O.; Bollinger, Benjamin; McCormick, John; Cameron, Benjamin, Systems and methods for reducing dead volume in compressed-gas energy storage systems.
  66. McBride, Troy O.; Scott, Michael Neil; Bollinger, Benjamin; Shang, Andrew; Cook, Robert; Doyle, Lee, Systems and methods for reducing dead volume in compressed-gas energy storage systems.
  67. Mihaela Sjunnesson; Sjunnesson, Carina; Sjunnesson, Ulrika; Sjunnesson, Halvar, Work machine having a hydraulic liquid cooling and heating system.
  68. Lech,Richard J.; Hennemann,Matthew J., Work vehicle hydraulic system.
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