Scroll compressor having adjustable spacers
AssigneeEdwards Limited
InventorClive Frederick Collie
Life of this patent
Estimating the term…
Abstract
A scroll compressor 40 comprises: housing 12, orbiting scroll 26 and fixed scroll 41. The drive shaft 14 has an eccentric shaft portion 18 so that rotation of the eccentric shaft portion imparts an orbiting motion to the orbiting scroll relative to the fixed scroll. Axial spacers 42 are located between the fixed scroll and the housing for spacing the fixed scroll relative to the orbiting scroll. When the scroll compressor 40 is assembled and tested and it is desired to perform shimming, the fixed scroll can be removed and a selected spacer placed in position prior to re-assembling the fixed scroll.
Claims10
A scroll compressor comprising:
- a housing;
- an orbiting scroll;
- a fixed scroll;
- a drive shaft having an eccentric shaft portion so that rotation of the eccentric shaft portion imparts an orbiting motion to the orbiting scroll relative to the fixed scroll;
- and
- at least two axial spacers separately located between the fixed scroll and the housing for spacing the fixed scroll relative to the orbiting scroll in an axial direction, wherein the axial spacers enable angular adjustment of the spacing between the fixed scroll and the orbiting scroll by varying thickness thereof separately.
A method of assembling a scroll compressor, the method comprising the steps carried out sequentially of:
- supporting an orbiting scroll relative to an eccentric shaft portion of a drive shaft in an housing of the scroll compressor;
- locating at least two selected axial spacers in position relative to the housing or a fixed scroll;
- and
- fixing the fixed scroll to the housing such that a spacing in an axial direction and an angular alignment between the fixed scroll and the orbiting scroll is determined by varying axial thickness of the at least two axial spacers.
Dependencies are inferred from the claim text.