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1. 发明专利

JPH09188235A LOAD REACTING BRAKE FLUID PRESSURE CONTROL DEVICE 失效
公开(公告)号：JPH09188235A
公开(公告)日：1997-07-22
申请号：JP345096
申请日：1996-01-12
申请人： JIDOSHA KIKI CO
发明人： YOSHIDA HIROSHI , HAYASHI HIDEMI
IPC分类号： B60T8/18 , B60T8/30 , B60T15/36
摘要： PROBLEM TO BE SOLVED: To reduce the limitation imposed on the processing of a valve mecha nism, and thereby attempt to reduce costs. SOLUTION: This fluid pressure control device is so constituted as to be equipped with a valve mechanism 5 which reduces the fluid pressure of a master cylinder by a specified ratio, and transmits it to each rear wheel brake cylinder, and with a load detection mechanism 7 which applies load corresponding to live load to a planger 51, and shifts the starting point for a decompressing action of the valve mechanism 5. In this case, in order to press the valve body 10 of the valve mechanism 5 to the direction of valve opening, the end part of the planger 51 abutting against the valve body 10 is formed integrally with the planger 51, furthermore, a small diameter pressing part 51b extended in the direction of a planger shaft, and a fluid pressure passage are formed in the radial direction from the direction of the end of the planger, and the end part of the planger is formed out of a collar member 52 coaxiall-y pressed in the small diameter pressing part 51b.

2. 发明专利

JPH0958436A LOAD SENSING PROPORTIONING VALVE 失效
公开(公告)号：JPH0958436A
公开(公告)日：1997-03-04
申请号：JP22142395
申请日：1995-08-30
申请人： JIDOSHA KIKI CO
发明人： YOSHIDA HIROSHI , HAYASHI HIDEMI
IPC分类号： B60T8/30
摘要： PROBLEM TO BE SOLVED: To need no machining of a passage groove on a plunger, and to unitedly make a pressing pin with the plunger to improve reliablity, and to save a stopper for a valve body. SOLUTION: A proportioning valve is provided with a seat member which is energized in the closing direction and has a valve seat hole 7b opened and closed by a hydraulic pressure regulating valve element 6 to regulate for reducing brake liquid pressure, and a plunger 4 unitedly having a pressing pin 30 which pierces the seat member and presses the hydraulic pressure regulating valve element 6 in the opening direction, and a valve body 1 is provided with a through hole consisting of a cylinder hole 1f where the plunger 4 fits slidably. The seat member 7 is provided with a stopper 47b to control the movement in the valve opening direction of the plunger 4 for positioning it and a path hole 47a to make a valve seat hole 7b communicate with the output port 1c of the valve body 1, and in a state where the seat member 7 is inserted in a fitting hole 1d for positioning, assembled parts are prevented from falling off by a plug 9 thread-mounted in an assembling hole 2.

3. 发明专利

JPH10175530A LOAD RESPONSE TYPE BRAKE HYDRAULIC CONTROL DEVICE 失效
公开(公告)号：JPH10175530A
公开(公告)日：1998-06-30
申请号：JP34129496
申请日：1996-12-20
申请人： JIDOSHA KIKI CO
发明人： YOSHIDA HIROSHI , HAYASHI HIDEMI
IPC分类号： B60T8/26
摘要： PROBLEM TO BE SOLVED: To prevent coming-off of a seal member even when one of plunger parts fails in operation, to prevent leakage of liquid flowing from the other plunger, and prevent breakage and hooking of the seal member. SOLUTION: An O-ring 16 being an annular seal member is mounted in the given position of the outer periphery of each of plungers 28a and 28b and each cylinder hole is provided with a proportion valve 10A having a large hole 51, being a slide contact hole making slide contact with the 0-ring 16, and an expansion hole 52 continuous to the large hole 51. During assembly of the proportion valve 10A, a distance L1 from a given position, where the O-ring 16 is mounted on the outer periphery of each of the plungers 28a and 28b, to the expansion hole 52 is set to a value larger than a distance L2 from a stopper 45 to regulate movement of an equalizer 40 to the equalizer.

4. 发明专利

JPH10167035A LOAD REACTION BRAKE HYDRAULIC PRESSURE CONTROL DEVICE 失效
公开(公告)号：JPH10167035A
公开(公告)日：1998-06-23
申请号：JP33659696
申请日：1996-12-17
申请人： JIDOSHA KIKI CO
发明人： YOSHIDA HIROSHI , HAYASHI HIDEMI
IPC分类号： B60T8/18 , B60T15/36
摘要： PROBLEM TO BE SOLVED: To facilitate processing and assembly by reducing the number of constitutional parts by fastening one end of a stopper rod on a small diametrical part of a piston, making the other end face against an end surface of a plunger and arranging a second spring between a back surface side of the piston and an end part of a second housing. SOLUTION: A hydraulic pressure control device 1 is constituted so as to make a hydraulic pressure control part PV, an air cylinder part CY and a load spring part LS serial, and a cylinder large diametrical part 3b to slide a large diametrical part 12a of a piston 12 with a step freely is formed on a second housing 3 and a cylinder small diametrical part 2c to slide a small diametrical part of the piston 12 freely is formed on a first housing 2. A stopper rod 20 is arranged so that one end is fastened roughly on a central part of the small diametrical part 12b and the other end 20a is made to face against an end surface of a plunger 4. A second spring 22 energizing force of which is sufficiently larger than that of a first spring 9 is arranged in a load spring chamber 14 formed between a back surface side of the large diametrical part 12a and an end part inwall of the second housing 3.

5. 发明专利

JPH11129879A LOAD SENSING PROPORTIONING VALVE 失效
公开(公告)号：JPH11129879A
公开(公告)日：1999-05-18
申请号：JP29659197
申请日：1997-10-29
申请人： JIDOSHA KIKI CO
发明人： HAYASHI HIDEMI
IPC分类号： B60T8/30
摘要： PROBLEM TO BE SOLVED: To miniaturize a press piston and its spring, to start control when a suspension is damaged, and to increase a break point hydraulic pressure to be adjusted. SOLUTION: A relay piston 37 arranged in a housing 20 to receive a hydraulic pressure in a fluid chamber of a suspension to transmit a load in accordance with the hydraulic pressure to a plunger 25 is provided, in the relay piston 37 formed between itself and a press piston 39 with a space 16, a first piston 41 of larger diameter and a second piston 42 of smaller diameter penetrating the first piston 41 and slidably arranged are provided. When hydraulic pressure introduced in the space 16 from the suspension is decreased to a prescribed value or less, only the second piston 42 is pressed by the press piston 39, the plunger 25 is slid, a spherical valve unit 26 of a valve mechanism 24 can be opened.

6. 发明专利

JP2575302B2 失效
公开(公告)号：JP2575302B2
公开(公告)日：1997-01-22
申请号：JP887
申请日：1987-01-05
申请人： JIDOSHA KIKI CO
发明人： HAYASHI HIDEMI
IPC分类号： H05B3/00 , B62D5/06 , G03G15/20

7. 发明专利

JPH02133285A FULLY HYDRAULICALLY DRIVEN POWER STEERING DEVICE 失效
公开(公告)号：JPH02133285A
公开(公告)日：1990-05-22
申请号：JP28906388
申请日：1988-11-14
申请人： JIDOSHA KIKI CO
发明人： HAYASHI HIDEMI
IPC分类号： B62D5/09 , B62D7/14
摘要： PURPOSE:To enable steering to be performed independently of front and rear wheels by connecting two sets of pressure oil supply mechanisms being associated and to a power cylinder of the front and rear wheels respectively through a selector valve. CONSTITUTION:In the first selector valve 60, in its position A, both right and left cylinder ports 32, 34 of a pressure oil supply mechanism 1 communicate respectively with both right and left chambers L, R of a front wheel power cylinder, when the valve is selected to a position B, communication of both the cylinder ports 32, 34 with both the power cylinder chambers L, R is cut off. While in the second selector valve 62, in its position D, communication of both right and left cylinder ports 32a, 34a of a pressure oil supply mechanism 1a with both right and left chambers La, Ra of a rear wheel power cylinder is cut off. Next the valve 62, when it is selected to a position E, respectively connects the left cylinder port 32a to the left chamber La of the power cylinder and the right cylinder port 34a to the right chamber Ra of the power cylinder. And next the valve 62, when it is selected to a position C, connects the left cylinder port 32a to the right chamber Ra of the power cylinder and the right cylinder port 34a to the left chamber La of the power cylinder.

8. 发明专利

JPH09175355A BRAKING FLUID PRESSURE CONTROL DEVICE OF LOAD RESPONSE TYPE 失效
公开(公告)号：JPH09175355A
公开(公告)日：1997-07-08
申请号：JP33864395
申请日：1995-12-26
申请人： JIDOSHA KIKI CO
发明人： YOSHIDA HIROSHI , HAYASHI HIDEMI
IPC分类号： B60T8/18 , B60T8/30 , B60T8/40
摘要： PROBLEM TO BE SOLVED: To construct a load sensing lever light and small, reduce the costs, and enhance the producibility. SOLUTION: This braking fluid pressure control device according to the invention is equipped with a valve mechanism which decompresses the fluid pressure given from a master cylinder at a prescribed rate and transmits the resultant pressure to a rear wheel brake cylinder and a load sensing mechanism 30 which applies a load in compliance with the load on the vehicle concerned to a plunger and moves the decompressing operation starting point of the valve mechanism. A load sensing lever 31 is made from a plate material as having two planes 31b, 31c which are made at approximately right angle in the longitudinal direction, and the surface of one of the ends 31b of the lever 31 is made a plane approx. perpendicular to the shaft of the plunger while the other surface 31c on the plunger side is made a plane approximately parallel with the shaft of the plunger and contacted with the plunger side through a projection 31g formed on the shorter side face of the plate material having a rectangular section which stretches in the longitudinal direction.

9. 发明专利

JPS63170166A FULLY HYDRAULIC POWER STEERING GEAR 失效
公开(公告)号：JPS63170166A
公开(公告)日：1988-07-14
申请号：JP88787
申请日：1987-01-06
申请人： JIDOSHA KIKI CO
发明人： HAYASHI HIDEMI
IPC分类号： B62D5/06
摘要： PURPOSE:To keep off such nonconformity that a handwheel is suddenly turned back, by having a relief valve built in a housing where a control valve and a metering mechanism are housed, and setting up a kickback preventive check valve at the more downstream side than the said valve. CONSTITUTION:A sleeve 6 constituting a control valve 4 is rotatably housed in a housing 2, and a metering mechanism 14 is installed in the side of the control valve 4. This metering mechanism is constituted of an internal gear stator 22 and an external gear rotor 24, eccentrically rotating, inside this stator 22. And, a balance piston type relief valve 60 is built in the housing 2. In this constitution, a kickback preventive check valve 104 inclusive of a ball valve 100 is installed in a connecting part with an inflow passage 32 into the control valve 4 in a pump port 28 of the housing 2. This check valve 104 is set up at each downstream side of a relief inflow passage 72 of the relief valve 60 and a pilot passage 82.

10. 发明专利

JPH11165625A LOAD SENSING PROPORTIONING VALVE 失效
公开(公告)号：JPH11165625A
公开(公告)日：1999-06-22
申请号：JP33268997
申请日：1997-12-03
申请人： JIDOSHA KIKI CO
发明人： HAYASHI HIDEMI
IPC分类号： B60T8/30 , F16K17/06
摘要： PROBLEM TO BE SOLVED: To suppress the cost by dispensing with recombining the load spring every time the operating characteristics are altered. SOLUTION: A load sensing proportioning valve is composed of a stopper member 41 which is secured to a piston 37 and protrudes toward a plunger 25 and which the plunger contact with and separates from, a load spring 51 which energizes the piston 37 in the direction of going apart from the plunger 25, and a compression spring 52 which is installed between the stopper member 41 and plunger 25, whereby the set load of the spring 51 is steplessly adjustable by regulating the screw-in amount of the stopper member 41 for adjusting the protruding amount of the stopper member 41.

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