Variable Compression Ratio (Vcr) Engine
Patent No. EP3748145 (titled "Variable Compression Ratio (Vcr) Engine") was filed by Wingd on Jun 7, 2019. The application was issued on Dec 6, 2023.
Patent Summary
Variable compression ratio (VCR) engine with controlled piston movement to prevent wear and carbon buildup during compression ratio changes. The engine features a setting unit for preset compression ratio and a control unit for inducing temporary clearance positions to clean the cylinder walls. The control unit can stepwise raise or lower the temporary clearance positions to prevent piston ring contact with wear steps and carbon deposits. The engine can be a large marine or stationary engine with cylinders having an inner diameter of at least 200 mm.
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Date
Description
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EP3748145
- Application Number
- EP19178942A
- Filing Date
- Jun 7, 2019
- Status
- Granted And Under Opposition
- Nov 3, 2023
- Publication Date
- Dec 6, 2023
- External Links
- Slate, Register , Google Patents