TWI246483B - Hydraulic brake system - Google Patents

Abstract

A hydraulic brake system. The hydraulic brake system includes a brake pump, a hydraulic distribution valve, a first brake fluid pipe, a first caliper, a second brake fluid pipe, a second caliper, and a third brake fluid pipe. The brake pump generates a hydraulic brake pressure. The hydraulic distribution valve includes a hydraulic control passage having a first end and a second end and accommodates brake fluid. The first brake fluid pipe connects the brake pump to the first end of the hydraulic control passage and accommodates brake fluid. The second brake fluid pipe connects the first caliper to the second end of the hydraulic control passage and accommodates brake fluid. The third brake fluid pipe connects the second caliper to the second end of the hydraulic control passage and accommodates brake fluid.

Description

1246483

[Technical Field] The present invention relates to a hydraulic sensitive type that can make a brake hydraulic distribution more efficient;; 'Carl, especially a hydraulic brake system with a more uniform b. [Prior Art] See Figure 1 for a four-wheel avoidance, a m μ & / motor vehicle (such as an ATV), ^19 ^ ν 匕栝 has a brake controller 11, a brake, , heart pump 1 2, a hydraulic distribution valve 1 3, a > from the upper -1 r 咕 _ ^ left brake caliper 14, a right brake caliper 1 5, a brother a car liquid tube i 6, a v μ, brother a car liquid pipe 1 7 and a third two ρί 8. The first brake fluid pipe 16 is connected to the brake master cylinder 1 2 and the hydraulic pressure: ??? = 13 'the second brake fluid pipe 17 is connected between the hydraulic distribution valve ^ and 22, the caliper 14 and the third brake The liquid pipe 18 is connected between the hydraulic distribution valve ^ and the right brake caliper 15. As shown in Fig. 1, the hydraulic distribution valve 13 is only a one-way valve construction. In the first brake fluid pipe 16, the second brake fluid commander 17, the third brake fluid pipe 18, and the hydraulic distribution valve port 3, the brake fluid (or brake oil) is filled. The left brake caliper 14 has a piston 丨 4 a, two brake shoes 14b and a piston actuating space 14c, and the right brake caliper 丨 5 has a piston 15a, two brake skins 15b and a piston actuating space 15c. The piston 14a is coupled to the brake shoe 14b' and is movably disposed in the piston actuating space 14c, and the piston 15a is coupled to the brake shoe i5b and is movably disposed on the piston. Space 丨 5c. In addition, the brake fluid (or brake oil) is also filled in the piston operating spaces 14c and 15c. The brake controller 1 1 is connected to the brake master cylinder 1 2 for driving the brake master cylinder i 2 at the first brake fluid pipe 16 , the second brake fluid pipe 17 and the third brake fluid pipe 1 8

〇 134.A2l〇55TWF(N2);94-TOP-5;hawdong.ptd Page 7 1246483 V. Invention description (2) ' —— Establish brake hydraulic pressure. As described above, when the brake controller 11 is actuated to drive the brake master cylinder 1 2 brake hydraulic pressure, the brake hydraulic pressure will pass through the first brake fluid pipe 16, the second: the valve 13, the second brake fluid pipe 17, and The third brake fluid pipe 18 is transmitted between the " work truck caliper 14 and the right brake caliper 15 5, at this time, the piston. 乂 and / tongue plug 15a will be pushed by the brake hydraulic pressure, thereby making the brake shoe 14b And the brake shoe 15b respectively clamps a left brake disc cartridge 9 and a brake disc 20. Therefore, the left and right rims of the four-wheeled motor vehicle were reached. However, when the four-wheeled motor vehicle needs an emergency brake, the brake controller 11 that is quickly actuated will force the brake master cylinder 2 to be in the first brake fluid pipe 丨 6, the first brake fluid pipe 17 and the third brake fluid pipe The brake hydraulic pressure established in 1 8 generates a pressure surge, as shown in area A of Figure 2, at this time, due to the different load conditions of the left brake caliper 14 and the right brake truck, the pressure surge is added. There will be a time difference in the distribution, so the left brake caliper 丨 4 and the right brake caliper 15 are often subjected to different brake hydraulic pressures, and the left brake caliper 14 or the right brake caliper 15 is locked first. As described above, in the case where the left brake caliper 14 or the right brake caliper 15 is locked first, the four-wheeled motor vehicle is liable to cause a side accidental slippage or even a dangerous accident such as a rollover. SUMMARY OF THE INVENTION The present invention basically employs the features detailed below in order to solve the above problems. That is, the present invention includes a brake master cylinder for establishing a brake hydraulic pressure; a hydraulic distribution valve having a hydraulic control passage,

0134-A21055TWF(N2);94-T0P-5;hawdong.ptd

1246483 V. In the invention description (3), the hydraulic control passage has a first end and a second end, and is equipped with brake fluid; a first brake liquid pipe is connected to the brake master cylinder and the hydraulic distribution valve Between the first ends of the hydraulic control passages, and containing brake fluid; a first brake caliper; a second brake fluid pipe connected to the first brake caliper and the hydraulic control passage of the hydraulic distribution valve Between the second ends of the second end of the brake fluid; a second brake caliper; and a second brake fluid tube connected to the second brake caliper and the second hydraulic control passage of the hydraulic distribution valve Between the ends, and the system contains the brake fluid 0. At the same time, the caliber of the three brakes is in the mm2 ° and is connected to the liquid pipe, the pliers and the space in the swaying space, and the skin is connected to the The hydraulic brake system according to the present invention is smaller than the first brake fluid pipe and the diameter of the first pipe. In the present invention, the hydraulic control passage system, the hydraulic control passage, the second brake fluid tube, and the first wearing area are less than 1. The second and second of the present invention, the second and second pistons of the first and second pistons of the present invention Liquid, medium, hydraulic master cylinder, vehicle fluid pipe, car caliper middle, the first piston and the plug do the air to actuate the space car liquid pipe to drive the third car to drive the third brake to establish the The brakes include a brake control master cylinder at the first liquid pipe and the first hydraulic pressure. The brake card has a first and a first first workshop, a second and the second and the third plug, and the first skin, the second piston and a first piston actuate the space vehicle fluid tube, and The piston system is separately manufactured, and the locomotive and the locomotive of the locomotive and the caliper are respectively movable.

0134-A21055TWF(N2);94-T0P-5;hawdong.ptd Page 9 1264883 V. Invention Description (4) The moving mode is set in the first piston to move the space and the 篦-$哈么示_Piston In the start-up room, and connected to the first brake shoe and the second brake shoe respectively. The above described objects, features, and advantages of the present invention will be more apparent from the description of the preferred embodiments. [Embodiment] A preferred embodiment of the present invention will be described with reference to the drawings. First Embodiment Referring to FIG. 3 , the hydraulic brake system 10 本 of the present embodiment can be applied to “a four-wheeled motor vehicle (such as an ATV), and mainly includes a brake master cylinder 110 , a hydraulic distribution valve 120 , a first brake fluid pipe 13 〇, a first brake caliper 140, a second brake fluid pipe 150, a second brake car sweet-160, a third brake fluid pipe 170, and a brake controller 18 The hydraulic distribution valve 120 is substantially a three-way valve configuration and has a hydraulic control passage 121, and the hydraulic control passage 121 has a first end 121a and a second end 121b. The first brake fluid The tube 130 is connected between the brake master cylinder 110 and the first end 121a of the hydraulic control passage 1 2 1 of the hydraulic distribution valve 120. The second brake fluid tube 150 is connected to the first brake caliper 14() and 16 The hydraulic control valve 120 is between the hydraulic control passage ι 21 and the second end 1211). The second brake fluid official 1 70 is connected to the second brake caliper 丨 6 〇 and the hydraulic distribution valve 1 2 0 hydraulic control passage 1 2 1 Between the second ends 1 21 b. In particular, the diameter of the hydraulic control channel 1 2 1 is small The diameter of the first brake fluid pipe 丨 3 〇, the second brake fluid pipe 150 and the third brake fluid pipe 丨 7 ,, or hydraulic control

1246483 V. INSTRUCTIONS (5) " — The cross-sectional area of the road 1 2 1 must be less than i mm2. Further, brake fluid (or sputum) is accommodated in each of the first brake fluid pipe 130, the second brake fluid pipe 15〇, the third brake fluid pipe 17〇, the first brake caliper 140, and the second brake caliper 16〇. The brake controller 1 800 is connected to the brake master cylinder 11 〇, which can be used to drive the brakes 1 1 〇 in the first brake fluid pipe 1 3 〇, the second brake fluid pipe 1 〇, the second brake fluid pipe 1 7 0, the first brake caliper 1 4 0 and the second brake button - 1 6 0 establish a brake hydraulic pressure. In more detail, the first brake caliper 140 further has a first piston actuating space 141, a first piston 142 and two first brake shoes 143, and the second brake caliper 160 has a second piston. The movable space 1 6 1 , a second piston 1 6 2 and two second brake shoes 1 6 3 . The first piston actuating space 1 41 and the second piston actuating space 116 are respectively connected to the second brake fluid pipe 150 and the third brake fluid pipe 170, and in the first piston operating space 1 41 And the brake fluid is accommodated in the second piston operating space 161. The first piston 1 42 and the second piston 1 6 2 are respectively movably disposed in the first piston operating space 1 41 and the second piston operating space 116, and are respectively* connected to the first The wagon skin 143 and the second wagon skin 163. As described above, since the diameter of the hydraulic control passage 1 21 in the hydraulic distribution valve 1 20 is much smaller than that of the first brake fluid pipe 130, the brake controller 1 is quickly actuated even when the four-wheeled motor vehicle needs an emergency brake. At 80 o'clock, the pressure surge caused by the brake master cylinder 11 to the brake fluid in the first brake fluid pipe 1 30 is blocked by the narrow hydraulic control passage 121 and is not immediately transmitted to the second brake fluid pipe. 1 50 and the third brake fluid tube 1 70. In more detail,

1246483 V. INSTRUCTIONS (6) ' --- At the moment when a pressure surge occurs in the first brake fluid tube 130, the brake hydraulic pressure at the first end 121a of the hydraulic control passage 121 is much greater than that at the second 121b thereof. At the first end of the hydraulic control passage 121, after the lapse of time, the brake hydraulic pressure is evenly distributed at the first end 1213 and the second end 121 of the hydraulic control passage 121. The brake hydraulic pressure at 1213 and the second end 121b is balanced as shown in area 8 of Figure 4. As described above, the brake hydraulic pressure can be simultaneously and uniformly transmitted to the first brake caliper 140 and the second brake caliper 160, thereby simultaneously forcing the first piston 142 and the second piston 162 to push the first brake shoe 143 and the first The second car skin 163 is used to simultaneously clamp the brake discs C and D' so that the first brake caliper 14 can be achieved with the second brake caliper 160. SECOND EMBODIMENT In the present embodiment, the same elements as those in the first embodiment are denoted by the same reference numerals. As shown in Fig. 5, in the hydraulic brake system 1 〇Q of the present embodiment, the hydraulic distribution valve 1 2 0 ' is substantially also a three-way valve structure, and has a first hydraulic control passage. 1 2 2 and a second hydraulic control channel '123. The first hydraulic control passage 122 has a first end 122a and a second end 12 2b, and the second hydraulic control passage 123 has a third end 123a and a fourth end 1 2 3 b. The first brake fluid pipe 130 is connected between the brake master cylinder 110 and the first end 1 22a of the first hydraulic control passage 122 and the third end 12 3a of the brake master cylinder 11 and the second hydraulic control passage 123 between. The second brake fluid tube 150 is connected to the first brake caliper 140 and the hydraulic distribution valve 120, the first

0134-A21055TWF(N2);94-T0P-5;hawdong.ptd

1246483 jade, invention description (7) between the second end 22b of the hydraulic control passage 122, and the third brake liquid pipe 170 is connected to the first brake caliper 160 and the hydraulic distribution valve 1 2 〇, the second hydraulic pressure • Control between the fourth ends 12 3b of the channel 123. In particular, the caliber of the first hydraulic control passage 1 2 2 and the second hydraulic control passage 1 2 3 is much smaller than the first • brake fluid pipe 1 3 0 , the second brake fluid pipe 15 5 , and the third brake fluid pipe 1 The caliber of the crucible, or the cross-sectional area of the first hydraulic control passage 122 and the second hydraulic control passage #1 23 must be less than 1 mm2. Similarly, in the first brake fluid pipe-1 30, the first brake fluid pipe 150, the third brake fluid pipe 1 7 〇, the first brake caliper 1 400 and the second brake car sweet 1 6 均Contains brake fluid (or brake oil). The other element configurations and features of the present embodiment are the same as those of the first embodiment, and therefore, in order to make the contents of the present specification clearer and easier to understand, the repeated description thereof will be omitted. As described above, the diameter of the first hydraulic control passage 122 and the second hydraulic control passage 丨23 in the hydraulic distribution valve 1 2 0 is much smaller than the diameter of the first brake fluid pipe 130, so even when four When the engine is moving and the vehicle needs to be braked quickly and the brake controller is quickly actuated, the pressure pump caused by the brake pump 11 〇 to the first brake fluid pipe • 1 3 0 will be narrowed by the first hydraulic pressure. The control passage 1 22 and the second hydraulic control passage 1 2 3 are blocked and are not immediately transferred to the second brake fluid pipe 150 and the third brake fluid pipe 170. More specifically, at the moment when a pressure surge is generated in the first brake fluid pipe 13 3, at the first end 12 2a of the first hydraulic control passage 122 and the third end 123a of the second hydraulic control passage 123 The brake hydraulic pressure will be simultaneously and far greater than the brake hydraulic pressure at the second end 1 22b and the fourth end 123b, respectively, but after passing through

0134-A21055TW(N2);94.T0P.5;hawdong.ptd Page 13 1246483_____ $, invention description (8) After a period of time, the brake hydraulic pressure is evenly distributed at the 'end 122a of the first hydraulic control passage 122 At the second end 123a and the fourth end 123b of the second hydraulic end of the second hydraulic port 12b, and at the first end 122a and the second end 122b of the first hydraulic control passage 122 and the second hydraulic pressure The brake hydraulic pressure at the third end 123a and the fourth end 123b of the control passage 123 is balanced as shown in the area B of FIG. As described above, the brake hydraulic pressure can be simultaneously and uniformly transmitted to the first brake caliper 140 and the second brake caliper 16 6 , which can simultaneously force the first piston 142 and the second piston 162 to push the first brake. The skin 143 and the second brake shoe 163 simultaneously clamp the brake discs c and D, so that the effect of the first brake caliper 140 and the second brake caliper 16 6 〇 can be achieved. THIRD EMBODIMENT In the present embodiment, the same elements as those of the first embodiment are denoted by the same reference numerals. As shown in Fig. 6, in the hydraulic brake system 本 本 of the present embodiment, the 'hydraulic distribution 阙 1 2 0 '' is also basically a three-way valve structure. The first brake caliper 140' has a first hydraulic control passage ι44, and the second brake sweetener 1600 has a second hydraulic control passage 丨64. The first brake fluid pipe Φ1 3 0 is connected to the brake master cylinder 11 〇 and the hydraulic distribution valve 丨 2 〇, between, the second brake fluid pipe 150 疋 is connected to the hydraulic distribution valve i2 〇 ', the fish first brake card sweet Between the first hydraulic control passages 144 of 140', and the third brake fluid tube 17'' is connected between the hydraulic distribution valve 120, 'the second hydraulic control passage 164 of the second brake caliper 16'. In more detail, the first hydraulic control passage 144

5TWF (Ν2); 94 - TOP - 5; hawdong.ptd Page 14 1264883 —------ - V. Description of invention (9) ' " 疋, connected to the first piston to actuate the space 丨 4 } and Between the second brake fluid pipe 1 5 ,, the second hydraulic control passage 164 is connected between the second piston actuating space 161 and the 'three brothers', the vehicle fluid pipe 170. In particular, the caliber of the first hydraulic control passage 144 and the first hydraulic control passage 164 is much smaller than the diameter of the first brake fluid tube 3〇, the first brake fluid tube 15〇, and the third brake fluid tube 1 . Or the cross-sectional area of the first hydraulic control passage 144 and the second hydraulic control passage 164 must be less than 1 mm2. Similarly, the first brake fluid pipe 丨3 〇, the second brake fluid official 155, the third brake fluid pipe 1 7 〇, the first brake caliper 丨4 〇, and the first brake caliper 1 60 ′ are accommodated There is brake fluid (or brake oil). The other component configurations or features of the present embodiment are the same as those of the first embodiment. Therefore, in order to make the contents of the present specification clearer and easier to understand, the repeated description thereof will be omitted. As described above, the diameter of the second hydraulic control passage 164 in the first hydraulic control passage 144 and the second brake caliper 160 is smaller than that of the second brake fluid tube. And the caliber of the third brake fluid pipe 170, so even when the four-wheeled motor vehicle needs an emergency brake to quickly actuate the brake controller 1 800, the brake main throttle 1 1 〇 to the second brake fluid pipe 1 5 〇• The pressure and force surge caused by the brake fluid in the three-way vehicle liquid pipe 170 are blocked by the narrow first hydraulic control passage 144 and the second hydraulic control passage 164, and are not immediately transmitted to the first brake caliper 14〇, (戋 first piston actuation space 141) and second brake caliper 160, (or second piston actuation space 161). More specifically, at the moment when a pressure surge occurs in the second brake fluid fl5〇 and the third brake fluid tube 170, the brake hydraulic pressure in the first piston actuation space 141 is much smaller than the second brake fluid pressure conduit 15〇. Inside

1246483 V. INSTRUCTIONS (10) The hydraulic pressure of the vehicle and the hydraulic pressure in the second piston operating space 1 6 1 will be much smaller than the braking hydraulic pressure in the third brake fluid pipe 170, but after a period of time, The hydraulic pressure of the brake is evenly distributed in the first piston operating space 1 4 1 , the second brake fluid pipe 150, the second piston operating space 1 6 1 and the third brake fluid pipe _ 1 7 0, The hydraulic pressure in the second piston operating space 1 41, the second brake fluid pipe 150, the second piston operating space 1 6 1 and the third brake fluid pipe 1 7 获得 is balanced, as in the area of Fig. 4 B shows. As described above, the brake-hydraulic pressure can be simultaneously and evenly transmitted to the first brake caliper 14 4 〇 and the second brake caliper 160 ′, thereby simultaneously forcing the first piston 142 and the second piston 162 to push the first brake. The skin 143 and the second brake shoe 163 simultaneously clamp the brake discs C and D, thereby achieving the effect of the first brake caliper 14 〇 ' and the second brake caddy 160' synchronous brake. In addition, in order to achieve the same synchronous braking effect as the embodiment, the first hydraulic control passage and the second hydraulic control passage may also be respectively disposed in the second brake fluid pipe 150 and the third brake fluid pipe 1 7 〇. . In summary, the hydraulic brake system 丨〇(), • 1000 and 100' disclosed in the present invention can have extremely high brake safety, so the lateral displacement of the four-wheeled motor vehicle due to emergency braking Dangerous accidents such as sliding or even rollover will not occur.

While the present invention has been described in terms of the preferred embodiments of the present invention, it is intended to be a Without departing from the spirit and refinement of the present invention, the scope of the present invention is defined.

1246483 BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a schematic view showing a conventional hydraulic brake system; Fig. 2 is a schematic view showing the relationship of brake hydraulic pressure versus time in a conventional hydraulic brake system; Fig. 3 is a view showing the first aspect of the present invention Schematic diagram of the hydraulic brake system of the embodiment; FIG. 4 is a schematic diagram showing the relationship of the hydraulic pressure of the brake caliper of the hydraulic brake system of the present invention to time; FIG. 5 is a hydraulic brake system showing the second embodiment of the present invention. FIG. 6 is a schematic view showing a hydraulic brake system 丨' of a third embodiment of the present invention. [Description of main component symbols] I, 1 0 0, 1 0 0 ', 1 0 0 ' '~Hydraulic brake system II, 180~ brake controller 1 2,11 0~ brake master cylinder 1 3,1 2 0,1 2 0 ', 1 2 0 ' '~Hydraulic distribution valve _ 1 4~ Left brake caliper, 14a, 15a~Piston φ 14b, 15b~煞皮皮1 4 c,1 5 c~Piston movement space 1 5~Right brake Caliper 1 6 , 1 3 0 ~ first brake fluid pipe 17, 150 ~ second brake fluid pipe

0134-A21055TWF(N2);94-T0P-5;hawdong.ptd Page 17 1264883 Brief description of the drawings 18, 170~third brake fluid pipe 1 2 1~hydraulic control passage 121a, 122a~first end 121b,1 22b to second end #122, 144~ first hydraulic control passage 123, 164 to second hydraulic control passage 123a to third end * 123b to fourth end 1 4 0, 1 4 0 '~ first brake caliper 1 4 1~first piston actuating space> 1 4 2~first piston 143~first brake wrap 160,160'~second brake caliper 1 6 1~second piston actuating space 1 6 2~second piston 163 ~The second car C, D ~ car disc

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Claims (1)

1246483 VI. Application for Patent Range 1 · A hydraulic brake system, comprising: a brake master cylinder for establishing a brake hydraulic pressure; a hydraulic distribution valve 'having a hydraulic control passage having a first end to be a poor-supplemented mountain~ , T m _ . and a first 鳊, and accommodating the brakes, > % ί ΐ, the night officer, the stem connected to the brake master cylinder and the hydraulic control passage of the hydraulic distribution valve ^ pa ^ k < between the one end of the younger brother, and containing the brake fluid; a first brake caliper; a second 煞 1 valve with the hydraulic vehicle fluid; a second 煞 a third 煞 valve with the hydraulic vehicle fluid. 2 · If applied, the hydraulic control of the second brake fluid tube to Lu 3 · as in the application, the hydraulic control 4 · if applying for the vehicle liquid pipe, connected to the first brake caliper and the second end of the hydraulic sub-control channel And locating a brake caliper; and a vehicle fluid pipe connected between the second brake caliper and the second knowing portion of the hydraulic sub-control passage and accommodating the hydraulic brake described in the first item of the patent scope The diameter of the system channel is smaller than the diameter of the first brake fluid pipe and the third brake fluid pipe. The cross-sectional area of the channel of the hydraulic brake system described in item 2 of the patent scope is less than 1 mm. The hydraulic brake system described in the first paragraph of the patent scope is further connected to the brake master cylinder. In order to drive the brake to include a brake controller, the brake is connected to the first chestnut in the first raft, and the 遇 遇 meets; ^ 1 you "" brake fluid pipe, the second brake fluid pipe, the third brake fluid 0134-A21055TWF(N2);94-T0P-5;hawdong.ptd Page 19 1246483 Tube, the first pressure. 5. In the application, the first piston and the first piston act to make the moving space, the space and the liquid pipe, and the piston is the piston. The first first system is respectively connected to the liquid vehicle caliper. And the hydraulic brake system according to the first item of the brake caliper of the second brake caliper, wherein the caliper has a first piston to make a moving-one-car skin, and the second brake caliper is more first a second piston and a second brake body, wherein the second piston movement space is respectively connected to the second second brake fluid tube, and respectively contains the brake fluid, and the second piston system respectively The movable body and the second piston operating space are disposed in a movable manner, and the first brake skin and the second brake skin. The brake car system comprises: a brake master cylinder for establishing a brake hydraulic pressure; a hydraulic distribution valve having a first hydraulic control passage and a second hydraulic control passage, wherein the first hydraulic control passage has a first And a second end, the second hydraulic control passage has a third end and a fourth end, and the first hydraulic control passage and the second hydraulic control passage system respectively accommodate the brake fluid; a brake fluid pipe is connected between the brake main and the one end of the first hydraulic control system and between the brake master cylinder and the third end of the second hydraulic control passage, and is equipped with a brake a first brake caliper; a second brake fluid pipe connected between the first brake caliper and the second end of the first hydraulic control passage of the hydraulic distribution valve, and is received 0134-A21055TWF(N2);94-TOP-5;hawdong.ptd Page 201246483 VI. The patent application scope includes brake fluid; a second brake caliper; and a third brake fluid pipe connected to the second brake caliper Between the fourth end of the second hydraulic control passage of the hydraulic dispensing valve, and the true containment of the brake fluid. 7. The hydraulic brake system of claim 6, wherein the first hydraulic control passage and the second hydraulic control passage have a smaller diameter than the first brake fluid tube, the second brake fluid tube, and The diameter of the third brake liquid pipe. 8. The hydraulic brake system of claim 7, wherein the first hydraulic control passage and the second hydraulic control passage have a cross-sectional area of less than 1 mm2. 9) The hydraulic brake system according to claim 6 of the patent application, further comprising a brake controller connected to the brake master cylinder for driving the brake pump; the first brake fluid pipe and the second brake a liquid pipe, the third brake fluid f, the first brake caliper and the second brake caliper establish the brake fluid 〇 a piston movement space, a first brake caliper further has a second living movement space and the The second piston is actuated. The first piston and the first piston respectively accommodate the brake fluid, and the violent system is respectively movably disposed in the hydraulic brake system according to item 6 of the middle range, wherein The first brake caliper further has a first piston and a first brake skin, the second plug movement space, a second piston and two 0304-A21055TWF (N2); 94-TOP-5; hawdong.ptd 21st Stomach 1264883 6. The patent application scope is the mouth of the mouth/the tongue plug movement space and the second piston movement space, and is respectively connected to the first brake skin and the second brake skin. 11 · A hydraulic brake system comprising: a brake master cylinder for establishing a brake hydraulic pressure; a hydraulic distribution valve; a first brake fluid conduit connected between the brake master cylinder and the hydraulic distribution valve a brake fluid; a first brake caliper having a first hydraulic control passage; between the hydraulic distribution valve and the first brake, and containing brake fluid; a second hydraulic control passage; and the hydraulic distribution The valve is interposed between the second brake and the brake fluid. The hydraulic brake system according to Item 1, and the second brake fluid pipe of the second hydraulic control passage and the hydraulic brake system of the third brake, and the cross section i of the second hydraulic control passage The hydraulic brake system is further configured to drive the second brake fluid pipe, the third brake, the second brake caliper to establish the brake and the second brake fluid pipe, and connect the caliper In the first hydraulic control passage caliper 12, the system is smaller than the liquid pipe 13 , and the small system 14 includes a vehicle master pump liquid pipe, a Zhuo-Xi truck sweet, and a third brake fluid pipe connected to the second hydraulic pressure. Control channel • The first first hydraulic control channel of the patent application range is the first brake fluid pipe, the π diameter. • If the patent application scope 1st first hydraulic control passage is 1 m m2 〇 • If the patent application range 1st brake controller is connected to the first brake fluid pipe, the first brake caliper and Page 22 〇134-A21055TWF(N2);94-TOP-5;hawdong.ptd 1246483 VI. Patent application scope Hydraulic pressure. In the hydraulic brake system described in claim 1 of the patent application scope, the first brake pedal caliper has a first piston actuating space, a piston and a first brake car, and the second brake car The caliper further has a plug movement space, a second piston and a second brake skin, and the second; the live control passage is connected between the first piston movement space and the second brake fluid, The second hydraulic control passage is connected between the second piston & motion tube and the third brake fluid tube, and the first piston operating space and the inter-piston operating space respectively contain brake fluid. And the first pistons are respectively movably disposed in the first piston|and the space and the second piston operating space, and are respectively connected to the first brake shoe and The second brake car. 'The 1 6 · hydraulic brake system, comprising: a brake master cylinder for establishing a brake hydraulic pressure; a hydraulic distribution valve; a first brake fluid pipe connected between the brake master cylinder and the hydraulic distribution valve And containing a brake fluid; a first brake caliper; a second brake fluid pipe connected between the hydraulic distribution valve and the first brake 16 caliper, and containing brake fluid; a first hydraulic control passage Provided in the second brake fluid pipe; a second brake caliper; a second brake fluid pipe connected between the hydraulic distribution valve and the second brake caliper, and containing the brake fluid; 0134-A21055TWF(N2);94-TOP-5;hawdong.ptd第23页 1246483 VI. Application for Patent Scope A second hydraulic control channel is installed in the liquid pipe of the second brake car. The hydraulic brake system of claim 1, wherein the first hydraulic control passage and the second hydraulic control passage have a smaller diameter than the first brake fluid tube and the second brake fluid tube And the caliber of the third brake fluid pipe. The hydraulic brake system of claim 17, wherein the first hydraulic control passage and the second hydraulic control passage have a cross-section of less than 1 mm2. 1 9 · The hydraulic brake system as described in claim 6 of the patent application, further comprising a brake controller connected to the brake master cylinder for driving the brake system in the first brake fluid tube, The brake fluid pressure is established in the second brake fluid pipe, the third brake fluid pipe, the first brake caliper, and the second brake caliper. 2: The hydraulic brake system according to claim 6, wherein the first brake caliper further has a second piston operating space, a first piston and a first brake skin, the first The second brake caliper further has a second piston actuating space, a second piston and a second brake skin, the first piston • the actuating space and the second piston actuating space respectively containing the brake fluid, and the first a piston and the second piston system are respectively disposed in a movable manner in the first piston operating space and the second piston operating space, and are respectively connected to the first brake skin and the second煞 皮 skin. 0134.A21055TWF(N2);94-T0P-5;hawdong.ptd第24页