发明名称 |
Hand-operated piston pump |
摘要 |
Hand-operated piston pump comprising: a drive shaft (3); a rotor (4) containing a plurality of compression chambers (104), mechanically coupled to the drive shaft (3) and mounted within a housing case (1); a fluid reservoir in said housing case; a stationary valve plate (6) having two separate arcuate grooves (106,306) that alternately communicate the compression chambers (104) with intake and discharge conduits; and a valve body (27) with an upper flange (271) containing said intake and discharge conduits. The valve plate (6) is mounted to float relative to the upper flange (271), o-ring seals or the like being interposed between the valve plate (6) and the upper flange (271) such that the valve plate (6) is separate from the upper flange (271). |
申请公布号 |
EP2857680(A2) |
申请公布日期 |
2015.04.08 |
申请号 |
EP20140184661 |
申请日期 |
2014.09.12 |
申请人 |
ULTRAFLEX SPA |
发明人 |
MILANESE, ANDREA;GAI, MARCELLA;PAGANI, ENRICO |
分类号 |
F04B9/14;B63H25/22;F01B3/00;F04B1/20 |
主分类号 |
F04B9/14 |
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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