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公开(公告)号：US08880302B1
公开(公告)日：2014-11-04
申请号：US14127710
申请日：2013-07-26
Applicant: Komatsu Ltd.
Inventor： Tatsuhiko Tachibana , Manabu Himoto , Daisuke Tsumura
CPC classification number: F15B21/02 , E02F3/435 , E02F9/125 , E02F9/226 , E02F9/2296 , F15B20/00 , F15B2211/6355 , F15B2211/665 , F15B2211/67
Abstract: A lock valve is switched from lock condition to release condition when a lock member is switched from lock position to release position. When pilot pressure is at least a predetermined pressure when the elapsed time from the point at which the lock member is switched from lock position to release position is at least a first predetermined time, the lock valve is maintained in the release condition. When pilot pressure is at least the predetermined pressure, the continuous time duration is greater than the second predetermined time when the elapsed time is less than the first predetermined time, the lock valve is switched to the lock condition. When pilot pressure is at least the predetermined pressure, the continuous time duration is no more than the second predetermined time when the elapsed time is less than the first predetermined time, the lock valve is allowed to be switched.
Abstract translation: 当锁定件从锁定位置切换到释放位置时，锁定阀从锁定状态切换到释放状态。 当从锁定部件从锁定位置切换到释放位置的时间的经过时间至少为第一预定时间时，当先导压力为至少预定压力时，锁定阀保持在释放状态。 当先导压力至少为预定压力时，当经过时间小于第一预定时间时，连续持续时间大于第二预定时间，则锁定阀切换到锁定状态。 当先导压力至少为预定压力时，当经过时间小于第一预定时间时，连续持续时间不超过第二预定时间，允许锁定阀被切换。
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公开(公告)号：US08833068B2
公开(公告)日：2014-09-16
申请号：US14003690
申请日：2012-12-06
Applicant: Komatsu Ltd.
Inventor： Manabu Himoto , Daisuke Tsumura , Yoshimasa Ohbora , Jin Yogita
CPC classification number: E02F9/226 , E02F9/125 , E02F9/2285 , E02F9/2296 , E02F9/265 , F15B11/08 , F15B20/00 , F15B2211/30525 , F15B2211/329 , F15B2211/355 , F15B2211/6316 , F15B2211/6355 , F15B2211/665 , F15B2211/8643
Abstract: A lock valve switching section switches a lock valve from a locked state to a released state when a lock member is switched from a locked position to a release position. An erroneous operation monitoring section maintains the lock valve in the released state when the pilot pressure is equal to or more than a predetermined pressure when elapsed time, which is from a point in time where the lock member is switched from the locked position to the release position, is equal to or more than the predetermined time. The erroneous operation monitoring section switches the lock valve to the locked state when the pilot pressure is equal to or more than the predetermined pressure when the elapsed time is less than the predetermined time.
Abstract translation: 当锁定构件从锁定位置切换到释放位置时，锁定阀切换部分将锁定阀从锁定状态切换到释放状态。 当经过时间时，当先导压力等于或大于预定压力时，错误操作监视部件将锁定阀保持在释放状态，该时间是从锁定部件从锁定位置切换到释放的时间 位置等于或大于预定时间。 当经过时间小于预定时间时，当先导压力等于或大于预定压力时，错误操作监视部分将锁定阀切换到锁定状态。
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公开(公告)号：US20140060026A1
公开(公告)日：2014-03-06
申请号：US14003690
申请日：2012-12-06
Applicant: KOMATSU LTD.
Inventor： Manabu Himoto , Daisuke Tsumura , Yoshimasa Ohbora , Jin Yogita
CPC classification number: E02F9/226 , E02F9/125 , E02F9/2285 , E02F9/2296 , E02F9/265 , F15B11/08 , F15B20/00 , F15B2211/30525 , F15B2211/329 , F15B2211/355 , F15B2211/6316 , F15B2211/6355 , F15B2211/665 , F15B2211/8643
Abstract: A lock valve switching section switches a lock valve from a locked state to a released state when a lock member is switched from a locked position to a release position. An erroneous operation monitoring section maintains the lock valve in the released state when the pilot pressure is equal to or more than a predetermined pressure when elapsed time, which is from a point in time where the lock member is switched from the locked position to the release position, is equal to or more than the predetermined time. The erroneous operation monitoring section switches the lock valve to the locked state when the pilot pressure is equal to or more than the predetermined pressure when the elapsed time is less than the predetermined time.
Abstract translation: 当锁定构件从锁定位置切换到释放位置时，锁定阀切换部分将锁定阀从锁定状态切换到释放状态。 当经过时间时，当先导压力等于或大于预定压力时，错误操作监视部件将锁定阀保持在释放状态，该时间是从锁定部件从锁定位置切换到释放的时间 位置等于或大于预定时间。 当经过时间小于预定时间时，当先导压力等于或大于预定压力时，错误操作监视部分将锁定阀切换到锁定状态。
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