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특허 상세정보

Integral hydrostatic transaxle apparatus for driving and steering

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) B62D-011/06   
미국특허분류(USC) 475/024 ; 475/027
출원번호 US-0489678 (2000-01-24)
우선권정보 JP0174647 (1999-06-21)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Sterne, Kessler, Goldstein & Fox P.L.L.C.
인용정보 피인용 횟수 : 22  인용 특허 : 62
초록

A transaxle apparatus is constructed so that left and right axles, two hydrostatic transmissions (HSTs), one for driving a vehicle and the other for steering it, and a differential unit for differentially connecting said axles with each other are together contained in a housing. The driving HST is disposed so that its hydraulic pump and motor are aligned along either a left or right side of the housing. The steering HST is disposed so that its hydraulic pump and motor are aligned along either a front or rear side of the housing. The differential unit is ...

대표
청구항

[ What is claimed is:] [1.]1. An integral transaxle apparatus for driving and steering a vehicle, comprising:a housing forming a fluid sump therein;a pair of final output means disposed in said housing;a differential unit disposed in said housing for differentially connecting said final output means with each other;a first transmission system disposed in said housing for steplessly driving said pair of final output means, including a first hydrostatic transmission and a first mechanical transmission, wherein power of a prime mover is transmitted into sai...

이 특허에 인용된 특허 (62)

  1. Pieterse Ian (355 Louise Street Pretoria Tuine ; Transvaal ZAX) Snyman Nicolaas (Doornlaagte ; P.O. Box 1620 Rustenburg ; Transvaal ZAX) Minne Andre (75 Heron Road Ninapark ; Akasia ; Transvaal ZAX). Agricultural vehicle. USP1994085335739.
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  3. Peter Tim. Asymmetrical drive system. USP1999045894907.
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  11. Saur Niko K. (Roigheim DEX) Bronner Wolfgang (Neudenau-Kressbach DEX). Control device for operating a motor vehicle. USP1989104875536.
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  14. Coutant Alan R. (Chillicothe IL) Fee David M. (Groveland IL). Control system and logic system for independent control of vehicle brakes. USP1990084949823.
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  28. Hayden Ronald G. (Bainbridge IN). Housing for a riding lawnmower transmission. USP1988044738328.
  29. Chichester Willard L. (Battle Creek MI) Holtkamp Donald A. (Battle Creek MI). Hydrostatic propulsion system. USP1976093978937.
  30. Louis Joseph E. (Ames IA) Johnson Alan W. (Ames IA). Hydrostatic transmission and axle assembly. USP1996045505279.
  31. Hopkins Donald L. (Joliet IL) Johnson Gordon W. (Dunlap IL). Hydrostatic transmission with differential steering. USP1979114174762.
  32. Tomiyama Yoshio (Sakai JPX) Kitamura Junichi (Sakai JPX). Lawn mower having a steering handle switchable between a walking mode and a riding mode. USP1994055307612.
  33. Teal Richard Donald ; Hayes Eugene Gary ; Marchese David Lewis ; Goebert Barry Joseph. Mechanism for correct steering in reverse. USP2000106129164.
  34. Satzler Ronnie L.. Method for controlling steering in a hydrostatic drive system having differential steer. USP1999115975224.
  35. Coutant Alan R. (Chillicothe IL) Rajagopalan Sanjay (Peoria IL). Method for providing different speed ranges for a speed pedal. USP1996095553453.
  36. Walker Dean M. (Ft. Collins CO). Mowing apparatus. USP1988114782650.
  37. Gleasman Vernon E. (11 Pondview Dr. Pittsford NY 14534) Gleasman Keith E. (11 McCord Woods Dr. Fairport NY 14450). Multi-axle vehicle steer drive system. USP1988034732053.
  38. 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). No-slip, imposed differential. USP1988104776236.
  39. 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). No-slip, imposed differential reduction drive. USP1988104776235.
  40. Wright William R. (Clarksburg MD) Velke James D. (Poolesville MD). Power mower with riding platform for supporting standing-operator. USP1996045507138.
  41. Ishimori Shozo,JPX ; Yamaguchi Masatoshi,JPX ; Auvergne Cristophe,FRX ; Leguillette Bertrand,FRX. Rear discharge mower unit and lawn tractor. USP2000036038840.
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  43. Kamlukin Igor (11506 N. Shorecliff La. 2W Mequon WI 53092). Self propelled mower with low radius pivoted rear wheel steering. USP1997095667032.
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  46. 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. USP1990014895052.
  47. Bebernes Thomas Daryl (Ottumwa IA) Johnston Robert James (Oskaloosa IA). Steering and ground speed control mechanism of a dual-path hydrostatic drive system. USP1997075649606.
  48. Kouno Masakatsu,JPX ; Ichikawa Katsuhisa,JPX ; Shinokawa Masahide,JPX ; Yamazaki Nobuo,JPX. Steering control device for vehicle having continuously variable transmission. USP1998125850886.
  49. Davis ; Jr. Robert D. (627 Andrew Ave. Jackson MI 49202). Steering control for zero turn radius mower. USP1997075644903.
  50. Dammon James R. (West Lafayette IN). Steering differential. USP1981014245524.
  51. Middlesworth Tommy A. (Greentown IN). Steering mechanism for a zero turning radius vehicle. USP1988124790399.
  52. Middlesworth Tommy A. (Sheboygan Falls WI). Steering mechanism for a zero turning radius vehicle. USP199209RE34057.
  53. Lucius Ivan R. (106 Columbia Ave. ; Box 642 Vicksburg MS 39180). Steering method and apparatus for skid-steering vehicle. USP1990044917200.
  54. Ishino Tsutomu (Komatsu JPX) Maruyama Ryoichi (Komatsu JPX) Yamada Hideki (Komatsu JPX). Steering system for use in a track-laying vehicle. USP1996075535840.
  55. Butler Claude O. (7074 Brentwood Dr. Brentwood Bay Post Office British Columbia CAX V0S 1A0). Tandem wheel flexible drive suspension. USP1986034577711.
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  57. Barnard Jan H. (Sec. 90 of Sec.77 ; Wildebeesthoek 310 JR ; Pretoria ZAX). Track-laying device. USP1989114882947.
  58. Smith Roger R. (Imlay City MI). Tracked vehicle steering mechanism. USP1989034813506.
  59. Barbagli Rino O. (Borgaretto ITX) De Castelli Giorgio (Borgaretto ITX). Tracked vehicle with an epicyclic steering differential. USP1991045004060.
  60. Yamaoka Kojiro (Nishinomiya JPX) Nemoto Shusuke (Midorigaoka JPX). Transmission system for working vehicles. USP1989034809796.
  61. Schaedler Axel. Vacuum actuated power steering system. USP2000036035959.
  62. Hillmann Kermit C. (Cokato MN) Holsapple Tom H. (Silver Lake MN). Vehicle with improved steering system device. USP1982034320810.

이 특허를 인용한 특허 피인용횟수: 22

  1. Abend, Robert; Stoll, Kerwyn. Driving apparatus for speed changing and steering of a vehicle. USP2005046874593.
  2. Bennett, Michael L.; Keller, Scott W.. Electric transaxle. USP2018039908407.
  3. Ishii,Norihiro; Tottori,Hiroshi; Nemoto,Shusuke. Hydraulic driving apparatus for a wheeled vehicle. USP2006057040445.
  4. Pollman, Frederic W.. Hydromechanical transmission with differential steer. USP2005086932733.
  5. Pollman, Frederic W.. Hydromechanical transmission with differential steer. USP2005116966859.
  6. Bennett, Michael L.. Hydrostatic transaxle. USP2016069358879.
  7. Bonny, Nathan W.. Hydrostatic transaxle. USP2016079388892.
  8. Bonny, Nathan W.. Hydrostatic transaxle. USP2017089739356.
  9. Irikura, Koji. Multi-wheel vehicle. USP2010127857079.
  10. Irikura, Koji. Multi-wheel vehicle. USP2005106951259.
  11. Irikura,Koji. Multi-wheel vehicle. USP2006057044244.
  12. Irikura,Koji. Multi-wheel vehicle. USP2008127458431.
  13. Irikura,Koji. Multi-wheel vehicle. USP2009027493975.
  14. Hasegawa, Toshiyuki; McCloud, Travis S.; Andrews, Keith J; Abend, Robert. Riding lawn mower. USP2004066755264.
  15. Hasegawa,Toshiyuki; McCloud,Travis S; Andrews,Keith J; Abend,Robert. Riding lawn mower. USP2006067059433.
  16. Phillips,David Lawrence. Steerable primary axle. USP2008047353904.
  17. Phillips,David Lawrence. Steerable primary axle. USP2007067231999.
  18. Kawada, Hirohiko; Ishii, Norihiro. Transaxle apparatus. USP2003046547685.
  19. Hasegawa,Toshiyuki; McCloud,Travis S.; Andrews,Keith J.; Abend,Robert. Transmission for speed changing and steering of a vehicle. USP2008047360613.
  20. Irikura,Koji; Ishii,Norihiro; Ohashi,Ryota; Takada,Kenichi; Kawada,Hirohiko; Abend,Robert; Andrews,Keith J.; Hasegawa,Toshiyuki; Shimizu,Hiroaki. Vehicle improved in steering. USP2008107431123.
  21. Irikura, Koji; Ishii, Norihiro; Ohashi, Ryota; Takada, Kenichi; Kawada, Hirohiko; Abend, Robert; Andrews, Keith J.; Hasegawa, Toshiyuki; Shimizu, Hiroaki. Vehicle improved steering. USP2003126659216.
  22. Flowers,Michael J.; Jarema, III,Stephen; Dwyer, Jr.,Edward J.; Hopely, Jr.,Robert C.; Zaveloff,David S.; Martin,Robert M.. Vehicle with improved turning. USP2008037341121.