发明授权
- 专利标题: Cantilever feedback mechanism for a proportional bellows assembly
- 专利标题(中): 用于比例波纹管组件的悬臂反馈机构
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申请号: US13031085申请日: 2011-02-18
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公开(公告)号: US08707852B2公开(公告)日: 2014-04-29
- 发明人: Cam B. Robinson , Jason Gray
- 申请人: Cam B. Robinson , Jason Gray
- 申请人地址: CA Edmonton
- 专利权人: Dyna-Flo Control Valve Services Ltd.
- 当前专利权人: Dyna-Flo Control Valve Services Ltd.
- 当前专利权人地址: CA Edmonton
- 代理机构: Christensen O'Connor Johnson Kindness PLLC
- 主分类号: F01B19/00
- IPC分类号: F01B19/00 ; F16J3/00
摘要:
A cantilever feedback mechanism includes an upper cantilever and a lower cantilever. The upper cantilever and lower cantilever have a resistance spring rate to facilitate movement of the bellows over a selected range of resistances. The upper cantilever has downwardly oriented upper cantilever stops. The lower cantilever has upwardly oriented lower cantilever stops that engage the upper cantilever stops. Mean are provided for applying a preload to maintain the lower cantilever stops and the upper cantilever stops engaged until a force urging movement exceeds the preload.