| Patent Number |
Title Of Patent |
Date Issued |
| 6073605 |
Gas engine with pre-combustion chamber |
June 13, 2000 |
| This gas engine with pre-combustion chambers. effectively uses ejection energy of flames and air-fuel mixtures ejected from the pre-combustion chambers into the main combustion chambers to shorten the combustion duration and thereby enhance performance. Installed in the cylinder head |
| 5950593 |
Gas engine with pre-combustion chamber |
September 14, 1999 |
| This gas engine with pre-combustion chambers effectively uses ejection energy of flames and air-fuel mixtures ejected from the pre-combustion chambers into the main combustion chambers to shorten the combustion duration and thereby enhance performance. Installed in the cylinder head |
| 5738066 |
Piston structure with heat insulated combustion chamber |
April 14, 1998 |
| In this piston structure with a heat insulated combustion chamber, a combustion chamber structure is fixed to a piston body stably and firmly by a pre-stressed holding member. The combustion chamber structure which constitutes a combustion chamber provided on an outer circumferential par |
| 5664540 |
Pre-combustion chamber-type engine |
September 9, 1997 |
| The present invention provides a pre-combustion chamber-type engine, which optimizes the relation between the heat capacity of the pre-combustion chamber structure that forms the pre-combustion chamber and the displacement per cylinder and thereby improves the net average effective p |
| 5645028 |
Piston structure with a combustion chamber |
July 8, 1997 |
| The combustion chamber structure having a combustion chamber almost at the center of the piston is installed in a cavity formed in the piston body with a heat insulating layer interposed therebetween. The combustion chamber structure and the piston body are joined by a joining member. Th |
| 5611831 |
Diesel particulate filter apparatus |
March 18, 1997 |
| A diesel particulate filter apparatus comprises filter structures bent in a wavy profile, formed in a tubular form, and comprising ceramic fiber laminate materials formed by randomly laminating a ceramic fiber and wire nets laminated on the ceramic fiber laminate materials. First rigid |
| 5425337 |
Pre-chamber type engine |
June 20, 1995 |
| This pre-chamber type engine is provided with pre-chambers formed in the cavities in piston bodies, and head plates consisting of a material of a high thermal resistance the thermal expansion coefficient of which is substantially equal to that of the piston bodies and fixed to the piston |
| 5282411 |
Heat-insulating piston with middle section of less dense but same material |
February 1, 1994 |
| This heat-insulating piston has a piston head comprising a piston head base portion consisting of a ceramic material, a heat-insulating member jointed to the piston head base portion and consisting of a whisker fired member of the same ceramic material as that of the piston head base por |
| 5081970 |
Heat-insulating engine with swirl chamber |
January 21, 1992 |
| The heat-insulating engine with swirl chamber of this invention injects fuel at a low pressure along the inner wall surface of swirl chambers having a heat-insulating structure by subsidiary nozzles opened and closed electrically, from the second half of an intake stroke to a compression |
| 5070833 |
Heat-insulating engine with swirl chamber |
December 10, 1991 |
| In a heat-insulating swirl chamber engine, subsidiary fuel is injected from subsidiary nozzles along the inner wall surfaces of swirl chambers of a heat-insulating structure from the second half of an intake stroke to the first half of a compression stroke, so that a lean mixture formed |
| 5065714 |
Heat-insulating structure of swirl chamber and its production method |
November 19, 1991 |
| In a heat-insulating structure of a swirl chamber and its production method in accordance with the present invention, each swirl chamber block for forming a swirl chamber and a jet port is made of a ceramic material in such a manner as to make the thickness of the jet port formation port |
| 5040504 |
Heat-insulating engine swirl chamber |
August 20, 1991 |
| The heat-insulating engine with swirl chambers of this invention comprises thin members made of a monolithic ceramic material for forming the surface portions of swirl chambers communicating with main combustion chambers through communication ports, high rigidity outer wall members made |
| 5033427 |
Heat-insulating engine structure |
July 23, 1991 |
| In order to improve the suction efficiency and the cycle efficiency, a heat-insulating engine structure of the invention has a planar and thin-walled piston head surface portion of a ceramics material to be exposed to combustion gases. A combustion chamber is formed not on the side o |
| 5014664 |
Heat-insulating structure of swirl chamber |
May 14, 1991 |
| A heat-insulating structure of a swirl chamber of this invention comprises ceramic swirl chamber blocks for forming swirl chambers, heat-insulating layers disposed outside the swirl chamber blocks and reducing the heat-insulating degree of the portions of the swirl chamber blocks, at |
| 5010861 |
Heat-insulating structure of swirl chamber and production method thereof |
April 30, 1991 |
| In a heat-insulating structure of a swirl chamber in accordance with the present invention, a cast metal blocks made of a metal material casted into the gap portions in molded articles made of a ceramic fiber-reinforced material are disposed outside swirl chamber blocks made of a cer |
| 4962887 |
Accumulator fuel injection system |
October 16, 1990 |
| In the accumulator fuel injection system according to the present invention, a leak passage is formed in an accumulator in which a fuel supply pressure from a fuel injection pump is temporarily stored, and a control valve adapted to be opened and closed by the energization of a solen |
| 4911109 |
Cooling system for heat insulating engine |
March 27, 1990 |
| The upper parts of the cylinder liners and the cylinder head are formed integral in one piece, and a water jacket is provided around the outer peripheries of the upper parts of the cylinder walls, with no water jacket provided to the cylinder body. This eliminates the use of the core for |
| 4848291 |
Heat-insulating piston structure |
July 18, 1989 |
| The heat-insulating piston structure according to the present invention is formed by fixing a piston head, which consists of a material the coefficient of thermal expansion of which is substantially equal to that of a ceramic material, to a piston skirt, and setting a thin, flat plate |
| 4838235 |
Heat-insulating engine structure and method of manufacturing the same |
June 13, 1989 |
| The heat-insulating engine structure according to the invention comprises fitting a ceramic head liner for which a cylinder liner top and a head lower surface portion are unified structurally in a cylinder head, coating an outer surface of the cylinder liner top of the head liner with a |
