TERMIUM Plus®

The Government of Canada’s terminology and linguistic data bank.

OPERATING HEAD [1 record]

Record 1 1993-02-10

English

Subject field(s)
  • HVAC Distribution Systems
  • General Mechanics (Physics)
OBS

The Remote bulb - used when temperatures are to be measured in inaccessible locations; these elements have 3 parts: the bulb, or temperature sensitive portion, the capillary, which then transmits the variable temperature signal over its length and diaphragm or operating head, which translates the signal into movement.

French

Domaine(s)
  • Distribution et évacuation (chauffage et conditionnement d'air)
  • Mécanique générale (Physique)
DEF

Appareil ou organe permettant d'agir sur une machine ou un processus en vue de modifier son comportement ou son état.

OBS

On peut citer, comme cas particuliers d'actionneurs, les moteurs pas à pas, les solénoïdes ou bobines à noyau plongeur et les actionneurs à diaphragme, dans lesquels une membrane souple solidaire de l'organe de réglage est soumise à l'action différentielle de deux pressions pneumatiques ou hydrauliques.

Spanish

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