Swirl chamber type combustion chamber for diesel engine
Patent 4798183 Issued on January 17, 1989. Estimated Expiration Date: 
May 21, 2007. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
May 21, 2007. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 1917883 2803229 2816534 3063434 3263659 3398726 3924580 Main combustion chamber of swirl chamber type diesel engine Combustion chamber and nozzle arrangement for direct fuel injection type diesel engine Structure for combustion chamber of auxiliary chamber type internal combustion engine InventorsAssigneeApplicationNo. 07/053338 filed on 05/21/1987US Classes:123/279, Piston carried precombustion chamber123/193.6, Piston123/286Having specific connecting passage means between precombustion and main combustion chambersExaminersPrimary: Myhre, Charles J.Assistant: Okonsky, David A. Attorney, Agent or FirmInternational ClassesF02B 19/14 (20060101)F02B 19/00 (20060101) F02B 23/04 (20060101) F02B 23/02 (20060101) F02B 3/06 (20060101) F02B 3/00 (20060101) Foreign Application Priority Data1986-05-23 JPAbstractIn a swirl chamber type combustion chamber for a diesel engine having an injection passage provided for to guide the stream of combustion gas gradually spreading right and left during the injection from the swirl chamber to the main combustion chamber, a top surface of a piston head is provided with a concavity formed in such a configuration as gradually spreading right and left as progressing from the inlet end to the outlet end thereof, for example like an unfolded-fan. And the inlet end of the concavity is located so as to face to the outlet of the injection passage. The stream of combustion gas injected from the injection passage is to be guided so as to be sufficiently diffused in the main combustion chamber by the concavity. | |
