Patent ID: 6227827
Filing Date: 2001-05-08
Classification: F01C,F04C

Abstract:
A sealing method of a scroll compressor, said scroll compressor comprising:(a) a cylindrical front casing having a bottom, an opening, and an inner circumference,(b) a rear cover fitted to said inner circumference to cover said opening,(c) a fixed scroll having an end plate fitted to said inner circumference, a fitting portion fitted concentrically to said rear cover, and a spiral blade,(d) a movable scroll engaged with said fixed scroll to swivel in a specified radius of swivel, and(e) a rotation preventive mechanism for preventing rotation of said movable scroll to permit swivel motion only,said sealing method comprising:forming a first chamfering portion at a first outer circumference of said fixed scroll,forming a second chamfering portion at a second outer circumference of said rear cover,forming a recess in a butt junction of said fixed scroll and said rear cover by assembling said first chamfering portion of said fixed scroll and said second chamfering portion of said rear cover,fitting a seal member to said recess, andassembling said fixed scroll and rear cover fitting said seal member into said front casing,thereby creating a seal between a suction pressure and discharge pressure, and a seal between the discharge pressure and atmospheric pressure.