- 专利标题： CENTRAL VACUUM SYSTEM AND INLET VALVES THEREFOR
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申请号： US18391965申请日： 2023-12-21
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公开(公告)号： US20240115091A1公开(公告)日： 2024-04-11
- 发明人: Darrell V. Nieschwitz , Greg A. Calderone , Shawn C. Metz
- 申请人： H-P Products, Inc.
- 申请人地址： US OH Louisville
- 专利权人： H-P Products, Inc.
- 当前专利权人： H-P Products, Inc.
- 当前专利权人地址： US OH Louisville
- 主分类号： A47L5/38
- IPC分类号： A47L5/38 ; A47L9/00 ; A47L9/24 ; B60P3/36 ; F16L29/00
摘要：
A central vacuum cleaning system includes an inlet valve mounted at various locations in a structure or RV and connected to the inlet end of a vacuum conduit. A section of hose is slidably mounted within the conduit and extends from the inlet valve for cleaning an adjacent area. The hose includes a hose plug of cuff connected with a distal end of the hose. The hose plug includes an annular channel and a cam to move a pin or button on the valve. The hose plug or cuff may also include a first seal and a second seal.
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