发明名称 |
Soft shift system and method |
摘要 |
A system and method for the soft shift of a transmission connecting a power source to a well stimulation pump through a transmission. When it is desired to change gear ratios in the transmission, the transmission is caused to enter a torque converter mode from a lockup mode. The engine speed is adjusted according to a signal representative of the speed of the transmission output shaft. Once the gear ratio has been changed, the transmission is caused to enter a lockup mode from the torque converter mode. |
申请公布号 |
US6679806(B2) |
申请公布日期 |
2004.01.20 |
申请号 |
US20020038132 |
申请日期 |
2002.01.03 |
申请人 |
S & S TRUST |
发明人 |
AYO GRANT WILLIAM;HANSON DAVID ERIC;BEADLE BARRY JOE;GIACOBBE ANTHONY ALLEN;PAYNE MARK ALAN |
分类号 |
F16H61/04;F16H61/14;(IPC1-7):F16H61/38;B60K41/02 |
主分类号 |
F16H61/04 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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