METHODS FOR MANUFACTURING PUMP-HEADS HAVING A DESIRED INTERNAL CLEARANCE FOR ROTARY MEMBER
- 申请公布号:
- EP2188526(A4)
- 申请号:
- EP20080799004
- 申请日期:
- 2008.08.29
- 申请公布日期:
- 2013.04.24
- 申请人:
- MICROPUMP, INC.
- 发明人:
- KREBS, LARRY, F.;SUNADA, CRAIG;OWEN, STEVEN, E.
- 分类号:
- F04C2/18;F04B53/22
- 主分类号:
- F04C2/18
- 摘要:
- Various methods are disclosed for manufacturing pump-heads having a housing enclosing at least one rotary member. In an exemplary method first and second housing portions are provided that collectively, when assembled, define a pump-cavity that accommodates the rotary member(s). The rotary member(s) is assembled into the pump-cavity, along with at least one soluble spacer of a defined thickness that corresponds to a desired clearance of the rotary member relative to the pump-cavity. The spacer contacts a surface of the rotary member facing a corresponding surface of the housing portion. The first and second housing portions are attached together to form the pump-cavity containing the rotary member(s). The soluble spacer is dissolved to provide the desired clearance of the rotary member in the pump-cavity. As the housing portions are attached together, e.g., by adhesive bonding, the spacer establishes the desired clearance of the rotary member(s) in the pump-cavity.
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