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Auto Heating and Air Conditioning

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Compressor Purpose To raise the pressure and temperature of the refrigerant Basic Compressor Parts Compressor Parts Body Ears Endplate Crankshaft Crankcase Lip ... – PowerPoint PPT presentation

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Title: Auto Heating and Air Conditioning


1
Compressors, Clutches, and Drives
Chapter 8
2
l. Objectives
  • Explain the purpose of a refrigeration
    compressor.
  • Identify the major parts of radial and axial
    piston compressors.
  • Explain the operation of radial and axial piston
    compressors.

3
ll. Objectives
  • Identify the major parts and explain the
    operation of rotary vane compressors.
  • Identify the major parts and explain the
    operation of scroll compressors.
  • Explain the operation of a capacity control valve.

4
lll. Objectives
  • Explain how the engine drives the compressor.
  • Explain the purpose of a compressor clutch.
  • Identify the major parts of a compressor clutch.
  • Explain the operation of a compressor clutch.

5
Compressor Purpose
  • To raise the pressure and temperature of the
    refrigerant

6
Basic Compressor Parts
7
Compressor Parts
  • Body
  • Ears
  • Endplate
  • Crankshaft
  • Crankcase
  • Lip seal

8
Compressor Body
  • The mounting place for other compressor parts
  • Holds refrigerant and lubricating oil
  • Made of aluminum on newer vehicles

9
Compressor Ears
  • Built-in mounting points for attaching compressor
    to engine

Ears
10
Endplate
  • Attached to the compressor body
  • Low and high side hose connections installed on
    the body or endplate

11
Crankshaft and Crankcase
  • Crankshaft rides on bearings in the compressor
    body
  • Crankcase holds the crankshaft

12
Crankshaft and Crankcase Illustration
13
Compressor Parts
  • Crankshaft drive end extends from the body
  • Pulley and clutch assembly installed on the
    crankshaft drive end

14
Lip Seal
  • Always installed where crankshaft drive end
    extends from compressor body
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