Title:
SEALING SYSTEM FOR SLIDING SLEEVES FOR CONTROLLING GAS EXCHANGE IN INTERNAL COMBUSTION ENGINES
Document Type and Number:
WIPO Patent Application WO/2011/061189
Kind Code:
A3
Abstract:
The invention relates to a sealing system for sliding sleeves for controlling gas exchange in internal combustion engines. Said sealing system is designed such that the pressure on the sealing seat of the sliding sleeve increases when the gas pressure increases, which is similar to that of common valves in internal combustion engines. This is obtained by means of a pressure stage on the inner diameter in the region of the sealing seat of the sliding sleeve. As a result, the maximum outer diameter of the sealing seat does not exceed the inner diameter of the piston running surface of the sliding sleeve, the closing pressure acting upon the sliding sleeve being equal to or greater than the maximum possible opening pressure acting upon the sliding sleeve even when the sealing seat is subjected to a total gas pressure.
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Inventors:
DAUDE OTTO (DE)
ELSBETT GUENTER (DE)
ELSBETT GUENTER (DE)
Application Number:
PCT/EP2010/067578
Publication Date:
September 15, 2011
Filing Date:
November 16, 2010
Export Citation:
Assignee:
DAUDE OTTO (DE)
ELSBETT G (DE)
ELSBETT G (DE)
International Classes:
F01B7/02; F01L7/04
Foreign References:
| GB497300A | 1938-12-16 | |||
| US1502291A | 1924-07-22 | |||
| US2105272A | 1938-01-11 | |||
| US2097741A | 1937-11-02 | |||
| US3084678A | 1963-04-09 | |||
| GB1015189A | 1965-12-31 |
Attorney, Agent or Firm:
WIEDEMANN, Peter et al. (Arabellastrasse 4, Munich, DE)
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