发明授权
- 专利标题: Void protection system
- 专利标题(中): 空隙保护系统
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申请号: US13860281申请日: 2013-04-10
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公开(公告)号: US09206583B2公开(公告)日: 2015-12-08
- 发明人: Matthew J. Beschorner , Bryan A. Johnson , Brett J. Janson , Brandon Z. Barnes , Rustu Cesur
- 申请人: Caterpillar Global Mining LLC
- 申请人地址: US WI Oak Creek
- 专利权人: Caterpillar Global Mining LLC
- 当前专利权人: Caterpillar Global Mining LLC
- 当前专利权人地址: US WI Oak Creek
- 代理机构: Foley & Lardner LLP
- 主分类号: E02F3/42
- IPC分类号: E02F3/42 ; E02F3/30 ; E02F3/46 ; E02F9/22 ; F15B21/04
摘要:
A void protection system for a mining shovel having an operator input device includes an independent metering valve assembly including one or more fluid source-cylinder valves for fluidly connecting the fluid source to the hydraulic cylinder. The system also includes a sensor assembly for monitoring the fluid pressure within the rod end and the head end of the hydraulic cylinder, and a control module. The control module is configured to monitor movement of the operator input device, monitor pressure within the hydraulic cylinder, increase the opening of the corresponding fluid source-cylinder valve and increase fluid flow from the fluid source to fill corresponding end of the hydraulic cylinder until pressure in the corresponding end of the hydraulic cylinder is above a first threshold pressure.
公开/授权文献
- US20140308106A1 VOID PROTECTION SYSTEM 公开/授权日:2014-10-16
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