Pump driving mechanism
US4397616A · kind A · utility
0Cited by
9References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 14, 1981 |
| Grant date | Aug 9, 1983 |
| Priority date | — |
| Expiry date | Mar 14, 2001 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T74/18248
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A pump driving mechanism of this applications is formed by supporting a piston body 3 provided with a piston rod 9 and an elastic arm 18 movable in directions vertical to reciprocally moving directions of the piston body, between respective free ends of a pair of elastic leg pieces 16 and 17 fixed at one end and freed at the other end, and connecting an eccentric shaft 23 driven to be rotated by a motor 22 to a shaft bearing 21 formed at a free end of the elastic arm 18, whereby a low noise reciprocating movement within a cylinder 14 is provided to a piston rod 9 by rotations of the eccentric shaft 23.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.