- 专利标题: FLUID POWER CONTROL SYSTEM FOR MOBILE LOAD HANDLING EQUIPMENT
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申请号: US16113906申请日: 2018-08-27
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公开(公告)号: US20180363682A1公开(公告)日: 2018-12-20
- 发明人: Pat S. McKERNAN , Gregory A. NAGLE
- 申请人: Cascade Corporation
- 申请人地址: US OR Fairview
- 专利权人: Cascade Corporation
- 当前专利权人: Cascade Corporation
- 当前专利权人地址: US OR Fairview
- 主分类号: F15B11/22
- IPC分类号: F15B11/22 ; B66F9/22 ; F15B15/28
摘要:
A fluid power control system for load handling mobile equipment includes a pair of hydraulic actuators for moving respective cooperating load-engaging members selectively toward or away from each other, or in a common direction, at respective asynchronous speeds to selectively attain either synchronous or asynchronous respective positions of the actuators. The actuators have sensors enabling a controller to monitor their respective movements and correct unintended differences in the actuators' respective movements, such as unintended differences in relative intended positions, speeds, or rates of change of speeds. Respective hydraulic valves responsive to the controller separately and nonsimultaneously decrease respective flows through the respective actuators to more accurately and rapidly correct differences from the intended relative movements of the actuators.