发明名称 |
SLOTTED COMPONENT AND METHOD OF MANUFACTURE THEREOF |
摘要 |
The present invention is a one piece sleeve for a rotary valve, the sleeve comprising an array of communication slots formed in the bore of the sleeve, characterised in that at least a portion of the floor of one of said slots is convex. Figure depicts sleeve (1b) with arcuate slot (21b) which has a convex floor and is open ended at both axial extremities of surface (17b) of bore (16b) of sleeve (1b). This slot may preferably be used as a return slot on the sleeve.
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申请公布号 |
CA2259002(A1) |
申请公布日期 |
1997.12.31 |
申请号 |
CA19972259002 |
申请日期 |
1997.06.25 |
申请人 |
BISHOP STEERING PTY. LIMITED |
发明人 |
SCOTT, DAVID WILLIAM |
分类号 |
B23C3/30;B23D5/02;B62D5/083;F16K5/08;(IPC1-7):B23D5/02 |
主分类号 |
B23C3/30 |
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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