Question
Download Solution PDFJerk pumps belong to the ________ category.
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFExplanation:
Jerk pump injection system:
- The jerk pump controlled system has a single reciprocating type pump for each fuel injection.
- The pump is separately mounted on the engine block.
- Jerk pumps belong to the stationary category.
- The pump is driven by an accessory shaft. The pump plunger has a constant stroke with a variable effective stroke.
- The injector is connected to the pump by suitable tubing.
- The injector is opened by lifting the needle valve automatically by fuel pressure.
- When the fuel pressure in the system falls below a certain value, the spring-loaded injector needle valve terminates fuel injection.
Last updated on Jun 26, 2025
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