-
公开(公告)号：JPS60213550A
公开(公告)日：1985-10-25
申请号：JP7062384
申请日：1984-04-09
Applicant: Nippon Denso Co Ltd , Toyota Motor Corp
Inventor： OOTSUKI HIROMI , MATSUURA RIYOUICHI , HORI SHINICHI , FUJINAMI HIROSHI , OKA HIROYUKI , NOMURA YOSHIHISA
IPC: B60T8/48 , B60T7/12 , B60T8/1761 , B60T8/34 , B60T8/42
CPC classification number: B60T8/4291 , B60T8/17616 , B60T8/347
Abstract: PURPOSE: To relieve a kickback phenomenon, by letting the brake pressure fluid stored in a reservoir of an antiskid controller flow back to a pipe line to be interconnected to a master cylinder while repeating an intensifying mode and a holding mode over and again.
CONSTITUTION: A frequency pulse signal proportional to a speed of rotation of each wheel obtained by each of car speed sensors D1, D2 and D3, is inputted into a control unit 28. Likewise, a signal out of a stop switch 34 to interlock with a brake pedal 4 and detect the braking operation of a driver is also inputted into the control unit 28 which outputs control signals for antiskid control and kickback prevention in time of car stoppage on the basis of these inputted signals. These control signals are inputted into each of hydraulic control valves 10 and 12 are made into duty control for an intensifying mode and a holding mode, respectively.
COPYRIGHT: (C)1985,JPO&JapioAbstract translation: 目的：为了减轻反冲现象，通过使存储在防滑控制器的储存器中的制动压力流体回流到管线以与主缸相互连接，同时重复强化模式和保持模式。 构成：与轿厢速度传感器D1，D2和D3中的每一个获得的每个车轮的旋转速度成比例的频率脉冲信号被输入到控制单元28中。同样，从停止开关34输出的信号与一个 制动踏板4和检测到驾驶员的制动操作也被输入到控制单元28，控制单元28基于这些输入信号输出汽车停止时的防滑控制和反冲防止控制信号。 这些控制信号被输入到各个液压控制阀10和12中，分别成为增压模式和保持模式的占空比控制。
-
公开(公告)号：JPS60188601A
公开(公告)日：1985-09-26
申请号：JP4464684
申请日：1984-03-07
Applicant: Nippon Denso Co Ltd , Toyota Motor Corp
Inventor： GOSHIMA TAKAHIRO , HATSUTORI YOSHIYUKI , MATSUURA RIYOUICHI , OOTSUKI HIROMI , NOMURA YOSHIHISA , OKA HIROYUKI
CPC classification number: F15B1/24 , F15B2201/205 , F15B2201/21 , F15B2201/312 , F15B2201/32 , F15B2201/41 , F15B2201/415
Abstract: PURPOSE:To prevent the entry of compressed gas from a gas chamber into a fluid chamber by providing between a cylinder and a piston a pressure fluid chamber filled with pressure fluid which surrounds the piston. CONSTITUTION:Between two T-rings 18 surrounding a piston 6, a ring groove 22 is made, and a pressure fluid chamber 24 is formed between the ring groove 22 and the inside surface of a cylinder section 15. Moreover, a small piston 26 is air and fluid tightly fixed in the closed-end round hole made on the gas chamber 16 side of the piston 6, and the closed-end hole internal space is connected to the pressure fluid chamber 24 by use of a through-hole 28 and it is filled with oil. And the small piston 26 is pressed not only with the gas in the gas chamber 16 but also with the force of a spring 32, and therefore the fluid pressure in the pressure fluid chamber 24 is higher than the gas pressure in the gas chamber 16, reversing the pressure gradient; thus the leakage of gas can be prevented.
Abstract translation: 目的：为了防止通过在气缸和活塞之间提供填充有围绕活塞的压力流体的压力流体室，压缩气体从气室进入流体室。 构成：在活塞6周围的两个T形环18之间形成有环槽22，并且在环槽22与缸部15的内表面之间形成有压力流体室24.此外，小活塞26是 空气和流体紧密地固定在活塞6的气室16侧形成的封闭圆形孔中，并且封闭端孔内部空间通过通孔28与压力流体室24连接， 充满油。 并且小活塞26不仅与气体室16中的气体一起被按压，而且也受到弹簧32的力的压力，因此压力流体室24中的流体压力高于气体室16中的气体压力， 逆转压力梯度; 从而可以防止气体泄漏。
-
公开(公告)号：JPS6144063A
公开(公告)日：1986-03-03
申请号：JP16762884
申请日：1984-08-09
Applicant: Nippon Denso Co Ltd , Toyota Motor Corp
Inventor： OTSUKI HIROMI , NUMATA KENICHI , MATSUURA RYOICHI , NOMURA YOSHIHISA , OKA HIROYUKI , NAKANISHI NOBUYASU
CPC classification number: B60T8/4291 , B60T8/34 , B60T8/5012
Abstract: PURPOSE: To make a comfortable pedal reaction, capable of making sure of the normal operation, givable in time of antiskid controlling, by installing a check valve in a brake fluid reflux pipe line, while installing a throttle in a connection part with a reflux pipe line of a pressure fluid feed pipe line.
CONSTITUTION: A first pressure fluid generating chamber of a master cylinder 14 is connected to each of wheel cylinders 20 and 22 of front wheels at both side via a pipe line 18 which is branched off to a pressure fluid feed pipe line 26 and a pressure fluid return pipe line 28, respectively. Then, the pipe line 26 is connected to the wheel cylinder 20 via a hydraulic control valve 34 while a pipe line 82 branched off from the pipe line 26 to the wheel cylinder 22 via a hydraulic control valve 84, respectively. In addition, the pipe line 40 connected to the hydraulic control valve 34 is connected to the pipe line 26 via a pump 48 and a reflux pipe line 52 or the like. In this case, a check valve 53 is interposingly installed in the reflux pipe line 52, and an accumulator 54 is connected to the upstream side of this valve 53. Likewise, a throttle 30 is interposingly installed at the upstream side of a connection part with the reflux pipe line 52 of the pipe line 26.
COPYRIGHT: (C)1986,JPO&JapioAbstract translation: 目的：通过在制动液回流管线中安装止回阀，同时在与回流管连接的部分安装节流阀，使踏板反应舒适，能够确保正常运行，防止时间受到防滑控制 一条压力流体输送管线。 构成：主缸14的第一压力流体产生室通过管线18连接到前轮的轮缸20和22两侧，管线18分支到压力流体供给管线26和压力流体 分别返回管路28。 然后，管路26经由液压控制阀34连接到轮缸20，而管线82分别经由液压控制阀84从管路26分支到轮缸22。 另外，与液压控制阀34连接的管路40经由泵48和回流管路52等与管路26连接。 在这种情况下，止回阀53插入回流管路52中，并且蓄压器54连接到该阀53的上游侧。同样地，节流阀30插入地安装在连接部分的上游侧， 管路26的回流管路52。
-
公开(公告)号：JPS60188603A
公开(公告)日：1985-09-26
申请号：JP4464884
申请日：1984-03-07
Applicant: Nippon Denso Co Ltd , Toyota Motor Corp
Inventor： GOSHIMA TAKAHIRO , HATSUTORI YOSHIYUKI , MATSUURA RIYOUICHI , OOTSUKI HIROMI , NOMURA YOSHIHISA , OKA HIROYUKI
CPC classification number: F15B1/18 , F15B2201/205 , F15B2201/31 , F15B2201/3152 , F15B2201/32 , F15B2201/411 , F15B2201/415
Abstract: PURPOSE:To prevent the dispersion of gas due to transmission through a bladder by providing a valve mechanism which closes a fluid chamber, which takes fluid in and out, before the shift termination of the bladder in the direction of inflation and maintains the fluid pressure in a fluid chamber at the same level as the pressure in a gas chamber. CONSTITUTION:When the fluid pressure in a fluid chamber 46 goes down, a bladder 6 is inflated due to its internal gas pressure and moves a piston 34, which is connected to the bladder 6 as one body, outwards and, a little before it reaches the shift termination of the bladder 6 in the direction of inflation or the end face of a collar-like portion 36 of the piston 34 touches on the bottom end face of a cavity 12 within a body 4, a ball valve 48 is seated on a valve seat 52 and a fluid outlet/inlet port 42 is closed. Therefore, the fluid in a fluid chamber 46 is compressed by the ladder 6, and even when the fluid is not fed into the fluid chamber 46 through the fluid outlet/inlet port 42, the fluid pressure in the fluid chamber can be kept high.
Abstract translation: 目的：为了防止通过气囊传播气体的分散，提供一种阀机构，该阀机构在气囊朝向膨胀方向移动终止之前关闭流体室，该流体室将流体进入和流出，并保持流体压力 与气室中的压力相同水平的流体室。 构成：当流体室46中的流体压力下降时，气囊6由于其内部气体压力而膨胀，并且将作为一体连接到气囊6的活塞34向外移动，并且稍稍前进 气囊6在膨胀方向上的移动终止或活塞34的套环状部分36的端面接触主体4内的空腔12的底端面，球阀48就位于 阀座52和流体出口/入口42关闭。 因此，流体室46中的流体被梯子6压缩，并且即使当流体未通过流体出口/入口42进入流体室46时，流体室中的流体压力可以保持较高。
-
公开(公告)号：JPS6467455A
公开(公告)日：1989-03-14
申请号：JP22585987
申请日：1987-09-09
Applicant: TOYOTA MOTOR CORP
Inventor： OKA HIROYUKI
IPC: B60T8/30
Abstract: PURPOSE:To enable the function of the above valve to be fully displayed by making the lever ratio of a lever transmitting force which energizes a valve piston in an opening direction, variable in response to the increase of the static load of rear wheels, and enabling the lever ratio to be fixed at the preceeding lever ratio under the state of braking. CONSTITUTION:A pair of P valves 8, 8 which are interveniently furnished at an X letter piping system and control liquid pressure to the right and left rear brake cylinders, are provided at a common housing 4, and the energizing force of a lever 26 is operated at the protruding ends of the valve pistons 6 of respective P valves 8 through a balance lever 24 and a pin 28. Also, the 1st projection 34 which is linear and extends in the longitudinal direction is formed at one surface near one end of the lever 26, and a fulcrum plate 36 is provided in face of its one surface. And the intersection point of the 2nd projection 38 which is of a circular arc and is formed at this fulcrum plate 36, and the 1st projection 34, is made to be the swing fulcrum F of the lever 26, and this fulcrum F is to be displaceable as the fulcrum plate 36 is swung in response to the static load of rear wheels.
-
Patent Agency Ranking
公开(公告)号：JPS61202965A
公开(公告)日：1986-09-08
申请号：JP4179485
申请日：1985-03-05
Applicant: NIPPON DENSO CO , TOYOTA MOTOR CORP
Inventor： TSURU NAOHIKO , MIURA KAZUHIRO , OTSUKI HIROMI , MATSUURA RYOICHI , NOMURA YOSHIHISA , NAKANISHI NOBUYASU , OKA HIROYUKI
IPC: B60T8/48 , B60T8/1761 , B60T8/42
Abstract: PURPOSE:To prevent a kickback phenomenon from occurring by returning the brake liquid in a wheel cylinder to a reservoir and, on the other hand, feeding the brake liquid in the reservoir into the wheel cylinder with a pump during the anti-skid control. CONSTITUTION:During a normal brake operation, an inflow valve 51, an outflow valve 52, and a selector valve 53 are at positions shown in the figure, and the brake liquid pressure generated in a master cylinder 11 by the depression of a brake pedal 10 is guided into a wheel cylinder 12 via pipelines 20, 22, the inflow valve 51, and a pipeline 24. On the other hand, during the anti-skid control, the inflow valve 51 is switched to a close position, and a brake liquid pressure hold condition is set. If a wheel lock tendency continues in spite of this hold mode, the outflow valve 52 is switched to an open position to return the brake liquid to a reservoir 42. At the same time, the brake liquid in the reservoir 42 is fed to the wheel cylinder 12 by a pump 41, and the wheel cylinder 12 is practically decompressed.
-
公开(公告)号：JPS61157458A
公开(公告)日：1986-07-17
申请号：JP27427684
申请日：1984-12-28
Applicant: TOYOTA MOTOR CORP
Inventor： SHIMIZU HIDETOSHI , OKA HIROYUKI
IPC: B60T8/18 , B60T8/1761 , B60T8/1766 , B60T8/88 , B60T8/92
Abstract: PURPOSE:To surely operate a brake even upon occurrence of a trouble, by connecting a pressure source to a pressure chamber in a booster through a dual system hydraulic circuit, and by exclusively selecting the communication or isolation of several systems upon normal operation of a computer or upon abnormal operation of the computer. CONSTITUTION:A reservoir chamber 24 in a brake force transmission cylinder 8 is connected to an accumulator 28 and a hydraulic pump 29 through a hydraulic circuit 31 having a control valve 27. Further, the accumulator 28 is connected to a reservoir chamber in a depressing force cylinder 10 through a hydraulic circuit 57 while the reservoir chamber is connected to a pressure regulating chamber (which is not shown) through a depressing force change-over valve. Further, this pressure regulating chamber is connected to the reservoir chamber 24 through a hydraulic circuit 63 having a change-over valve 62. These valves 27, 62 are controlled by a computer 7. Normally, the valve 27 is opened but the valve 62 is closed, and therefore, the pressure is fed from the circuit 31. When the computer 7 is abnormal, the valves 27, 62 are changed over so that the pressure is fed from the circuit 63.
-
公开(公告)号：JPS61155047A
公开(公告)日：1986-07-14
申请号：JP27427484
申请日：1984-12-28
Applicant: TOYOTA MOTOR CORP
Inventor： SHIMIZU HIDETOSHI , OKA HIROYUKI , SUGITANI TATSUO , KANEKO HISANORI
Abstract: PURPOSE:To enable deceleration driving expected by a driver, according to a method wherein a control valve in an oil pressure circuit is controlled in accordance with the treading force on a brake pedal and a vehicle speed, and braking action is performed by using two systems making the toggle joint braking action of an oil pressure back up type. CONSTITUTION:A booster 2 operated by means of a brake pedal 5 through a load cell 4 and a push rod 3, consists of a braking force transmitting cylinder 8 on the base side, and a master cylinder 9 mounted on the front portion of the cylinder 8. The reservoir chamber of the braking force transmitting cylinder 8 is connected to a control valve 45 interposed in an oil pressure circuit 44 including an oil pressure pump 41, which is an oil pressure backing up toggle power source, and an accumulator 43. In braking force insufficient condition, a control signal is outputted from a control valve 48 by means of a computer 7 inputting the output signals from vehicle speed sensors 6 and the load cell 4 so as to obtain an optimum deceleration with respect to the treading force, and then the chamber 48 is controlled to be connected to the oil pressure circuit 44.
-
公开(公告)号：JPS61110659A
公开(公告)日：1986-05-28
申请号：JP23115384
申请日：1984-11-05
Applicant: Toyota Motor Corp
Inventor： SHIMIZU HIDETOSHI , OKA HIROYUKI , HORIE MITSUYUKI , SUGITANI TATSUO , KANEKO HISANORI
Abstract: PURPOSE: To make constant deceleration attainable even if a load or the like varies, by driving a three-position valve of an actuator with a pedal-pressure signal out of a pedal-pressure detecting arm and an output signal corresponding to various conditions of car body weight or the like detected by a car speed sensor signal, while operating a brake.
CONSTITUTION: When a brake pedal 2 is operated, pedal effort is added to a pedal- pressure detecting arm 19 whereby a pedal-pressure signal is transmitted to a hydraulic control unit 21 together with a signal out of a car speed sensor 22, and deceleration corresponding to the pedal effort is calculated with a signal on the basis of the reference car speed calculated by the unit 21, then a selection signal to an A port is transmitted to a three-position valve 14. Next, oil out of an oil pump 11 is fed to an IN side pressure chamber 10 of a master cylinder 4, pressing pistons 24 and 27, and with oil inside each of both front and rear hydraulic chambers 25 and 29, front and rear wheels 5 and 6 are pushed with pressure, thus braking them. Then, in the deceleration, an actual value of the sensor 22 comes to be lower than the calculated reference car speed, and a selection signal is transmitted to both B and C ports of the valve 14 from the control unit 21, whereby pressure in these hydraulic chambers 25 and 29 is kept up at the B port, and oil in the pressure chamber 10 is put back at the C ports, releasing the applied pressure to wheels.
COPYRIGHT: (C)1986,JPO&JapioAbstract translation: 目的：即使负载等变化，也能够实现恒定的减速，通过用踏板压力检测臂的踏板压力信号驱动致动器的三位置阀和对应于各种状态的输出信号 同时操作制动器，由车速传感器信号检测到的体重等。 构成：当操作制动踏板2时，踏板压力检测臂19被加到踏板压力检测臂19上，踏板压力信号与来自轿厢速度传感器22的信号一起被传送到液压控制单元21，并且减速 基于由单元21计算出的基准轿厢速度的信号来计算对应于踏板力的信号，然后将向A端口的选择信号传送到三位置阀14.接下来，从油泵 11被馈送到主缸4的IN侧压力室10，按压活塞24和27，并且在前后液压室25和29的每一个内部具有油，前后轮5和6被压力推动， 从而制动它们。 然后，在减速度中，传感器22的实际值低于计算出的基准轿厢速度，并且选择信号从控制单元21传送到阀14的B和C端口，由此这些 液压室25和29保持在B端口处，并且压力室10中的油被放回C端口，释放施加的压力到轮子上。
-
公开(公告)号：JPS61157457A
公开(公告)日：1986-07-17
申请号：JP27427584
申请日：1984-12-28
Applicant: TOYOTA MOTOR CORP
Inventor： SHIMIZU HIDETOSHI , OKA HIROYUKI , SUGITANI TATSUO , KANEKO HISANORI
IPC: B60T8/18 , B60T8/1761 , B60T8/1766 , B60T8/40 , B60T8/88 , B60T8/92
Abstract: PURPOSE:To surely carry out braking operation even upon pressure failure, by carrying out braking operation with the use of pressure from a hydraulic source upon normal operation of the hydraulic source, and by carrying out braking operation upon abnormal operation of the hydraulic source such that, with the use of hydraulic pressure generated by depressing force by a foot, a change-over valve is switched to increase the pedal stroke so that braking operation is directly performed by the depressing force. CONSTITUTION:Upon normal operation of hydraulic sources 41, 43 and a hydraulic circuit 44, hydraulic pressure is fed to a booster 2 through a control valve 45. At this time the pressure from a circuit 44'' holds a control valve 49 in its inoperative condition, and a chamber 59 is held in its hydraulically rigid condition. When a pedal 5 is depressed in this consition, the control valve for the booster 2 is opened by means of a rod 3 so that hydraulic pressure is introduced into a pressure chamber to actuate a brake. When the pedal 5 is depressed upon abnormal operation of the hydraulic circuit 44, etc., the control valve 49 is changed over to relieve oil from the chamber 59 so that the hydraulic rigidity is loosed. Therefore, the stroke of a rod 4 is increased, and accordingly, the stroke of the rod 3 is also increased. This stroke causes a piston in a master cylinder 9 to directly actuate to perform braking.
-
-
-
-
-
-
-
-
-
Search Results
15
records
(took 0.015 seconds)
