TERMIUM Plus®

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POSITIVE DISPLACEMENT COMPRESSOR [1 record]

Record 1 - external organization data 2011-10-03

English

Subject field(s)
  • Compressors
  • Refrigerating Machines and Appliances
  • Compartment - Canadian Nuclear Safety Commission
DEF

... a machine in which the increase in pressure of the refrigerant vapor is attained by reducing the volume of the compression chamber through work applied to the mechanism.

OBS

Compressors ... may be broadly classified as positive-displacement or nonpositive-displacement machines according to whether or not there is incorporated in the compressor a mechanism functioning in the manner of a check valve to separate the high-pressure discharge from the low-pressure suction.

OBS

Such compressors include reciprocating, rotary, and helical rotary (screw) types.

Key term(s)
  • positive displacement compressor

French

Domaine(s)
  • Compresseurs
  • Machines frigorifiques
  • Tiroir - Commission canadienne de sûreté nucléaire
CONT

[Les] compresseurs volumétriques [sont ceux] dans lesquels la diminution du volume produit une augmentation de pression.

CONT

Compresseurs volumétriques. Ils se classent en divers types d'après leur structure. Les compresseurs alternatifs, ou «à piston», [...] [les] compresseurs volumétriques rotatifs [...] [et les] compresseurs à vis [...]

Spanish

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