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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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CompanyOpposition DateRepresentative
MAN ENERGY SOLUTIONSSep 3, 2024AWA DENMARK

Dossier Documents

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EP3748145

WINGD
Application Number
EP19178942A
Filing Date
Jun 7, 2019
Status
Granted And Under Opposition
Nov 3, 2023
Publication Date
Dec 6, 2023
External Links
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