Patent ID: 9427771
Filing Date: 2016-08-30
CPC Classification: B05D,F01C,F04C,F05B

Claim Text:
1. A method of forming a coating on a scroll type fluid machine, in which a coating is formed on a side face of a spiral wrap portion of the scroll type fluid machine by spraying a coating solution onto the side face using a spray nozzle, said method comprising: fixing a scroll constituted by (i) the wrap portion and (ii) an end plate to a rotating table and rotating the scroll about a spiral center of the wrap portion; moving the spray nozzle in a radial direction of the scroll while spraying the coating solution from the spray nozzle onto only the side face of the wrap portion of the rotating scroll; and keeping a coating thickness of the coating solution constant by adjusting a rotation speed of the scroll in accordance with a radial direction movement of the spray nozzle.