vòng găng
Definition
- Noun:
- Piston ring: A split ring, typically made of metal, that fits into a groove on the outer diameter of a piston in an internal combustion engine or compressor. Its primary functions are to seal the combustion chamber, regulate oil consumption, and transfer heat from the piston to the cylinder wall.
Usage Examples
- Noun:
- Động cơ bị hao dầu có thể do vòng găng đã mòn. (An engine burning oil may be due to worn piston rings.)
- Thợ máy đang thay thế bộ vòng găng mới cho piston. (The mechanic is replacing a new set of piston rings for the piston.)
- Áp suất nén thấp thường liên quan đến vòng găng hỏng. (Low compression pressure is often related to faulty piston rings.)
Advanced Usage
"vòng găng khí" (compression ring): The top piston ring(s) primarily responsible for sealing the combustion gases.
- Vòng găng khí trên cùng chịu nhiệt độ và áp suất rất cao. (The top compression ring withstands very high temperature and pressure.)
"vòng găng dầu" (oil control ring / oil scraper ring): The lower piston ring(s) designed to scrape excess oil off the cylinder wall back into the crankcase.
- Vòng găng dầu bị tắc có thể gây ra hiện tượng đốt dầu. (A clogged oil control ring can cause oil burning.)
Variants and Related Words
- Vòng xéc-măng: Another common Vietnamese term for "piston ring," synonymous with "vòng găng."
- Vòng xéc-măng là một bộ phận quan trọng của piston. (The piston ring is an important part of the piston.)
Synonyms
- Piston ring: The standard technical term.
- Ring: A common shorthand in mechanical contexts (e.g., "cylinder rings").
Related Technical Terms
- Piston: The cylindrical component that moves up and down within the cylinder.
- Cylinder liner / Xi-lanh: The cylindrical chamber in which the piston moves.
- Bạc piston / Chốt piston (Piston pin / Wrist pin): The pin connecting the piston to the connecting rod.