Patent ID: 11879457
Assignee: MAHLE INTERNATIONAL GMBH
Field: Engines, pumps, turbines (Mechanical engineering)
Classification: CPC F | IPC F

Claim 9:
10. An electric scroll compressor having a central axis and being configured to compress a refrigerant, comprising:
a housing defining an intake volume and a discharge volume;
a refrigerant inlet port coupled to the housing and configured to introduce the refrigerant to the intake volume;
a refrigerant outlet port coupled to the housing and configured to allow compressed refrigerant to exit the electric scroll compressor from the discharge volume;
an inverter section including:
an inverter housing,
an inverter back cover connected to the inverter housing and forming an inverter cavity,
an inverter module mounted inside the inverter cavity and adapted to convert direct current electrical power to alternating current electrical power;

a motor section including:
a drive shaft located within the housing, having first and second ends and defining a center axis, and
a motor located within the housing to controllably rotate the drive shaft about the center axis, and,

a compression device coupled to the drive shaft, for receiving the refrigerant from the intake volume and compressing the refrigerant as the drive shaft is rotated by the motor, the compression device including:
a fixed scroll located within, and being fixed relative to, the housing;
an orbiting scroll coupled to the drive shaft, the orbiting scroll and the fixed scroll forming compression chambers for receiving the refrigerant from the intake volume and compressing the refrigerant as the drive shaft is rotated about the center axis, the orbiting scroll having a lower surface, the lower surface having a plurality of ring-shaped slots;

a thrust body having a plurality of articulating guidance pin apertures;
a plurality of articulating guidance pins extending from the articulating guidance pin apertures and extending towards the compression device and into the ring-shaped slots, the guidance pins being configured to limit articulation of the orbiting scroll as the orbiting scroll orbits about the central axis,
a plurality of mounting pins, each mounting pin having a housing end and a thrust body end, the housing end being press fit within respective receiving apertures in the housing, the thrust body end being cylindrical with an outer surface; and,
a plurality of isolating sleeves composed from a flexible material, the thrust body end of each mounting pin being encapsulated within a respective sleeve and being received in a respective slot within the thrust body.