Wobble plate piston pump
US4492527A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Feb 17, 1983 |
| Grant date | Jan 8, 1985 |
| Priority date | — |
| Expiry date | Feb 17, 2003 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF04B27/0882
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A wobble plate piston pump in which means for holding the slipper shoes in close proximity with the wobble plate comprises a first retainer member in the form of an annular plate, loosely fitted on the drive shaft and formed with a plurality of through bores circumferentially arranged in the vicinity of its outer periphery and loosely receiving therethrough trunk portions of the slipper shoes swivellingly engaging the pistons, the retainer member being movable in directions substantially parallel to the wobble plate as the slipper shoes slide on or in close proximity to the wobble plate, a second retainer member having a hollow tubular portion loosely fitted through the first retainer member and unremovably fitted in a central bore formed in the wobble plate and a flanged portion holding the first retainer member on flanged portions of the slipper shoes to keep the latter in close proximity with the wobble plate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.