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Patent Searching and Data


Title:
SWIRL CHAMBER TYPE DIESEL ENGINE
Document Type and Number:
Japanese Patent JPH07269347
Kind Code:
A
Abstract:

PURPOSE: To improve start performance, combustion performance in a low speed region, combustion performance in a high speed region, and output of an engine by changing swirl ratio in accordance with the condition of use of the engine.

CONSTITUTION: A swirl chamber 8 which effects temporary combustion is provided in a cylinder head 4, and a main combustion chamber 5 is provided between the swirl chamber 8 and a piston 2. A partition member 14 having a jet hole 13 which communicates both chambers 5, 8 is arranged between the swirl chamber 8 and the main combustion chamber 5 in such a way that it covers an opening of the swirl chamber 8 and can slide. The partition member 14 reciprocates by means of a hydraulic cylinder 19 and a push spring 24. The partition member 14 slides due to the action of the hydraulic cylinder 19 and the push spring 24 in accordance with the operation condition of an engine. Since the jet hole 13 moves in an opening region of the swirl chamber 8 in accordance with slide of the partition member 14, compressed air in the swirl chamber 8 swirls at different flow rates.


Inventors:
IMAI NOBUKAZU
NAKAMURA NOBUMASA
Application Number:
JP1994000059478
Publication Date:
October 17, 1995
Filing Date:
March 29, 1994
Export Citation:
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Assignee:
TOYODA AUTOMATIC LOOM WORKS
International Classes:
F02B19/08; F02B19/16; F02B19/18; F02B3/06; (IPC1-7): F02B19/08; F02B19/16; F02B19/18
Attorney, Agent or Firm:
Hironobu Onda