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61. 发明专利

JPH01195957A STARTING FUEL SUPPLY EQUIPMENT OF ENGINE 失效
公开(公告)号：JPH01195957A
公开(公告)日：1989-08-07
申请号：JP2078588
申请日：1988-01-30
申请人： KEIHIN SEIKI MFG
发明人： FUJIWARA HIDEJI , TSUTSUI KATSUHIKO
IPC分类号： F02M1/10
摘要： PURPOSE:To restrain the generation of the engine stall and completely automatize the warming-up operation by constituting a starting fuel supply equipment that an operating rod is moved by a thermo-sensitive operating member to widely open a warming-up valve seat via a control valve when the environmental temperature of an engine is low and a throttle valve is opened to the specific position more widely than the idling position. CONSTITUTION:When the environmental temperature of an engine is low, an operating rod 40 is moved by a thermo-sensitive operating member 50 to open a warming-up valve seat 33 via a control valve 34 and a throttle valve 5 is maintained open at the first idling position. Under such condition, fuel discharged by a starting fuel pump is fed to an engine. On the other hand, the throttle valve 5 is opened to the specific position more widely than the idling position and when the engine is operated to start with said valve 5 kept in that position, the starting operation may be executed satisfactorily since the starting fuel is supplied in advance and the throttle valve 5 is kept in said position more widely than the idling position. After the warming-up operation is completed, the thermo-sensitive operating member 50 operates to close the warming-up valve seat 33 to return the position of the throttle valve 5 to the idling position, whereby automatically returning the starting operation to the normal operation.

62. 发明专利

JPH0134293B2 失效
公开(公告)号：JPH0134293B2
公开(公告)日：1989-07-18
申请号：JP15966279
申请日：1979-12-08
申请人： MAZDA MOTOR
发明人： MOTOIDEN YOSHINORI , KANEKO TADASHI
IPC分类号： F02D41/14 , F01N3/22 , F02D33/00 , F02D35/00 , F02D41/06 , F02D43/00 , F02M1/10 , F02M7/24

63. 实用新型

JPH0180647U 失效
公开(公告)号：JPH0180647U
公开(公告)日：1989-05-30
申请号：JP17697387
申请日：1987-11-19
IPC分类号： F02D9/02 , F02D11/04 , F02M1/10 , F02N11/00

64. 发明专利

JPH0196430A FUEL SUPPLY METHOD AND DEVICE FOR INTERNAL COMBUSTION ENGINE 失效
公开(公告)号：JPH0196430A
公开(公告)日：1989-04-14
申请号：JP25450087
申请日：1987-10-07
申请人： HONDA MOTOR CO LTD
发明人： OGURA YUKIHIRO , IKENOTANI YASUO
IPC分类号： F02B75/02 , F02F1/24 , F02M1/04 , F02M1/10 , F02M9/02 , F02M9/06 , F02M13/04
摘要： PURPOSE:To improve fuel consumption by employing a four-cycle first stroke group which is carried out before second stroke group for sucking/exhausting only air and scavenging a cylinder. CONSTITUTION:A suction path 5 and an exhaust path 6 communicated with a combustion chamber 4 formed above a piston 3 are made in a cylinder head H, where the suction path 5 is coupled through a mixture gas path 7 with a carburetor 8 while further coupled with another system air path 9 which is different from the mixture gas path 7. Four strokes comprising suction, compression, explosion and exhaustion are carried out at first in a first stroke group to produce a predetermined output through combustion of mixture gas. Then second stroke group is started, where only fresh air is sucked directly into a cylinder then it is exhausted so as to scavenge residual gas in the cylinder through two strokes. Since four-cycle internal combustion engine can be utilized, fresh air can be sucked directly not into a crank case but into the cylinder in order to carry out scavenging, resulting in a high compression ratio with reduced pumping loss.

65. 实用新型

JPH0158328U 失效
公开(公告)号：JPH0158328U
公开(公告)日：1989-04-12
申请号：JP15437087
申请日：1987-10-08
IPC分类号： B60K23/00 , B60K28/10 , B60W10/00 , B60W10/04 , F02D29/00 , F02M1/10 , B60K41/28

66. 实用新型

JPS6453447U 失效
公开(公告)号：JPS6453447U
公开(公告)日：1989-04-03
申请号：JP14963387
申请日：1987-09-30
IPC分类号： F02M1/10

67. 发明专利

JPS6487863A CHOKE VALVE CONTROLLER FOR CARBURETOR 失效
公开(公告)号：JPS6487863A
公开(公告)日：1989-03-31
申请号：JP24378387
申请日：1987-09-30
申请人： HITACHI LTD
发明人： TAMURA MAKOTO
IPC分类号： F02M1/10
摘要： PURPOSE:To aim at smooth traveling by providing a thermo-wax spring acting in such a direction as to close a choke valve in accordance with the temperature of engine cooling water, and further an auxiliary thermo-wax spring acting in such a direction as to close the choke valve only when the engine cooling water is at a temperature lower than a preset temperature. CONSTITUTION:When the temperature of engine cooling water is 20 deg.C or more, the action of a thermo-wax spring 5 effects usual control. Meanwhile, when the temperature of the engine cooling water is lower than 10 deg.C, an auxiliary thermo-wax spring 1 acts in such a direction as to close a choke valve 2 so as to increase force for closing the choke valve 2, thereby preventing the excessive opening of the choke valve 2 caused by an increase in air moment acting on the choke valve 2 following an increase in air quantity at the initial step of acceleration. Therefore, it is possible to make the air-fuel ratio of mixed air supplied to an engine suitable so as not to deteriorate traveling performance even at a low temperature.

68. 实用新型

JPS6447965U 失效
公开(公告)号：JPS6447965U
公开(公告)日：1989-03-24
申请号：JP14267987
申请日：1987-09-18
IPC分类号： F02M1/10 , F02M7/12

69. 发明专利

JPS6436955A AUTOMATIC CHOKE MECHANISM FOR CARBURETOR 失效
公开(公告)号：JPS6436955A
公开(公告)日：1989-02-07
申请号：JP19006887
申请日：1987-07-31
申请人： HITACHI LTD
发明人： NOZUKA HIROBUMI
IPC分类号： F02M1/10 , F02M1/12
摘要： PURPOSE:To prevent heat from escaping and suppress the looseness of a link by providing a loose hole on a hosing which houses a bimetal and a heat source, loosely inserting a linking member in the loose hole, and providing a heat insulating plate for covering the loose hole and a spring for holding the insulating plate. CONSTITUTION:A bimetal lever 4, a first idle cam 5, and a control lever 6 which are fixed to a choke shaft 3 are provided in a housing 2 fixed to a carburetor 1. The rod 20 of a diaphragm mechanism 17 is linked to the control lever 6 via a rod 21 passing through the loose hole 22 of the housing 2. And, a heat insulating plate 23 for covering the loose hole 22 is loosely fitted on the rod 21 and is pressed against the inner wall of the housing 2 by means of a compression spring 24. Thereby, the looseness of a link system can be also absorbed.

70. 发明专利

JPS63295847A STARTING METHOD FOR ENGINE WITH CARBURETOR 失效
公开(公告)号：JPS63295847A
公开(公告)日：1988-12-02
申请号：JP12516287
申请日：1987-05-22
申请人： NIPPON CARBURETER
发明人： KAKINUMA MASAO , MORIYA MOTOHARU
IPC分类号： F02M1/10
摘要： PURPOSE:To improve the stability of speed of an engine while it is in warming operation, by releasing the engine from its automatic choke action and fixing a throttle valve to the predetermined opening in the time of very low temperature. CONSTITUTION:Securing a choke arm 3 while turnably supporting a cam 4 to a choke valve shaft 2, a connecting spring 5 is engaged with both ends of these choke arm and cam. One end of a bimetal 7, arranged along an electric heating member 6, is engaged with an arm 3b of the choke arm 3. An arm 9 is connected to an arm 13 secured to a valve shaft 12 of a throttle valve 15, and the point end of the arm 9 is brought into contact with a cam surface of the cam 4. A plunger 17a of a solenoid 17 is engaged with an engaging groove 18 provided in the cam 4, and when a temperature of cooling water is in the preset value or less, the throttle valve 15 is fixed to the predetermined opening by driving the solenoid 17.

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