Definition

Noun: A mechanical device designed to circulate oil under pressure to lubricate moving parts within an engine or machine, ensuring smooth operation and reducing friction and wear.

Usage

The term "oil pump" is used to specify the component responsible for the forced lubrication system in machinery. It is a countable noun.

Examples

• The mechanic diagnosed the engine noise as a failing oil pump.
• Regular maintenance includes checking the oil pump for proper pressure.
• Without a functioning oil pump, the engine's components would quickly overheat and seize.

Advanced Usage

• Technical Context: In automotive or mechanical engineering, the "oil pump" is a critical part of the lubrication system, often driven by the crankshaft or camshaft.
  • The design of the gerotor-type oil pump improves efficiency at low engine speeds.

Variants and Related Words

• Oil pump is a compound noun. Its function is directly related to:
  • Lubrication pump: A more general term for a pump that circulates any lubricant.
  • Oil pressure: The force maintained by the oil pump, often monitored by a gauge or warning light.

Synonyms

• Lubrication pump (general term)
• Engine oil pump (specific to internal combustion engines)

Related Phrases

• Oil pump drive: The mechanism (e.g., gear, shaft) that transfers power to turn the oil pump.
  • The failure was traced back to a sheared oil pump drive.
• Oil pump pickup: The tube and screen that draws oil from the sump into the pump.
  • Sludge in the pan can clog the oil pump pickup.

Noun

1. a pump that keeps a supply of oil on moving parts