# US 12,109,994 B2 · Hydraulic pressure control unit, brake system, and straddle-type vehicle > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,109,994 B2 - Document ID: US12109994B2 - Status: Granted - Kind: B2 - Application number: 17/636,642 - Filed: 2020-08-17 - Published: 2022-09-15 - Granted: 2024-10-08 - Earliest claimed: 2019-08-29 - Assignees: Robert Bosch GmbH - Applicants: Robert Bosch GmbH - Inventors: Ryoji Nakano; Takashi Ogawa - Web page: https://patentgrep.com/patent/US12109994B2 ## CPC - B60T 8/1706: {for single-track vehicles, e.g. motorcycles} - B60T 8/3225: {Systems specially adapted for single-track vehicles, e.g. motorcycles (B60T8/3235 takes precedence)} - B60T 8/3675: {integrated in modulator units} - B60T 13/148: {Arrangements for pressure supply} - B60T 13/662: {characterised by specified functions of the control system components} - B60T 13/686: {in hydraulic systems or parts thereof} - B60T 15/028: {in hydraulic systems} - B62L 3/023: {acting on fluid pressure systems} - B60T 2270/10: ABS control systems - B60T: VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL (electrodynamic brake systems for vehicle, in general B60L; brakes per se, i.e. devices where braking effect occurs, including ultimate brake actuators, F16D); ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES - B62L: BRAKES SPECIALLY ADAPTED FOR CYCLES {(arrangements in cycles for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions B60T8/00)} ## Abstract To obtain a hydraulic pressure control unit that can be downsized. A hydraulic pressure control unit (1) for a brake system mounted to a straddle-type vehicle includes: a coil unit (60) used to open/close a channel of a brake fluid; a housing (40) that accommodates the coil unit (60); a placement table (90) held by the housing (40); and a base body (10) having an upper surface (18) to which the coil unit (60) and the housing (40) are connected. The placement table (90) is configured that at least a part thereof is arranged below a portion of a coil housing (65) of the coil unit (60) and that, in a state before the coil unit (60) and the housing (40) are connected to the base body (10), a support section (91) supports the portion of the coil housing (65) from below. ## Claims ### Claim 1 A hydraulic pressure control unit (1) for a brake system (100) mounted to a straddle-type vehicle (200), the hydraulic pressure control unit (1) comprising: a base body (10) formed with a channel (13) for brake fluid; a coil unit (60) having: a coil (61, 63) that drives a hydraulic pressure regulation valve (20) opening/closing the channel (13); and a coil housing (65) that holds said coil (61, 63); a housing (40) that accommodates the coil unit (60); and a placement table (90) held by the housing (40), wherein when an inside of said hydraulic pressure control unit (1) is in such a state that the housing (40) is arranged above the base body (10) and is observed laterally, the coil unit (60) and the housing (40) are connected to an upper surface (18) of the base body (10), the placement table (90) is configured such that at least a portion thereof is arranged below a portion of the coil housing (65) and that, in a state before the coil unit (60) and the housing (40) are connected to the base body (10), a support section (91) constituting at least a part of the portion arranged below the portion of the coil housing (65) supports the portion of the coil housing (65) from below, and wherein when the inside of said hydraulic pressure control unit (1) is in such a state that the housing (40) is arranged above the base body (10) and is observed laterally, the coil housing (65) includes an upper surface portion (66) that is arranged above the coil (61, 63), and the placement table (90) is arranged below the upper surface portion (66), a lower end portion (92) of the placement table (90) is held by the housing (40), and an upper end portion (93) of the placement table (90) serves as the support section (91). ### Claim 2 (depends on 1) The hydraulic pressure control unit (1) according to claim 1, wherein the housing (40) and the placement table (90) are an integrated resin molded product. ### Claim 3 (depends on 2) The hydraulic pressure control unit (1) according to claim 2 further comprising: an arm (70), one end of which is held by the housing (40) and which is in contact with a surface (66a) of the coil unit (60) that is opposite to a surface of the coil unit (60) that is adhered to the base body (10), when the inside of said hydraulic pressure control unit (1) is in such a state that the housing (40) is arranged above the base body (10) and is observed laterally, wherein the housing (40), the placement table (90), and the arm (70) are an integrated resin molded product. ### Claim 4 (depends on 1) A brake system (100) comprising: the hydraulic pressure control unit (1) according to claim 1. ### Claim 5 (depends on 4) A straddle-type vehicle (200) comprising: the brake system (100) according to claim 4. ### Claim 6 (depends on 1) The hydraulic pressure control unit (1) according to claim 1, wherein when the inside of said hydraulic pressure control unit (1) is in such a state that the housing (40) is arranged above the base body (10) and is observed laterally, a vertical length from a connected portion between the housing (40) and the upper surface (18) to the portion of the coil housing (65) is longer than a vertical length from the connected portion between the housing (40) and the upper surface (18) to the support section (91) of the placement table (90). ### Claim 7 (depends on 1) The hydraulic pressure control unit (1) according to claim 1, wherein the placement table (90) is configured to be freely and elastically deformed to a position outside of the coil unit (60) when the inside of said hydraulic pressure control unit (1) is in such a state that the housing (40) is arranged above the base body (10) and is observed from above. ### Claim 8 (depends on 1) The hydraulic pressure control unit (1) according to claim 1, wherein the placement table (90) is configured to be freely and elastically deformed to a position outside of the coil unit (60) when the inside of said hydraulic pressure control unit (1) in such a state that the housing (40) is arranged above the base body (10) is observed from above, and when the inside of said hydraulic pressure control unit (1) is in such a state that the housing (40) is arranged above the base body (10) and is observed laterally, a lateral width is reduced upward from the lower end portion (92) to an intermediate portion (94), the lateral width is increased upward from the intermediate portion (94), and a lateral width of the upper end portion (93) is greater than the lateral width of the intermediate portion (94). ### Claim 9 (depends on 1) The hydraulic pressure control unit (1) according to claim 1 comprising: a plurality of the placement tables (90). ### Claim 10 (depends on 1) The hydraulic pressure control unit (1) according to claim 1 further comprising: an arm (70), one end of which is held by the housing (40) and which is in contact with a surface (66a) of the coil unit (60) that is opposite to a surface of the coil unit (60) that is adhered to the base body (10), when the inside of said hydraulic pressure control unit (1) is in such a state that the housing (40) is arranged above the base body (10) and is observed laterally. ### Claim 11 (depends on 1) The hydraulic pressure control unit (1) according to claim 1 further comprising: an accumulator (23) that stores the brake fluid during depressurization in anti-lock brake control, wherein the brake fluid in the accumulator (23) is discharged to outside of the accumulator (23) in a pumpless manner. ### Claim 12 A hydraulic pressure control unit (1) for a brake system (100) mounted to a straddle-type vehicle (200), the hydraulic pressure control unit (1) comprising: a base body (10) formed with a channel (13) for brake fluid; a coil unit (60) having: a coil (61, 63) that drives a hydraulic pressure regulation valve (20) opening/closing the channel (13); and a coil housing (65) that holds said coil (61, 63); a housing (40) that accommodates the coil unit (60); and a plurality of placement tables (90) held by the housing (40), wherein when an inside of said hydraulic pressure control unit (1) is in such a state that the housing (40) is arranged above the base body (10) and is observed laterally, the coil unit (60) and the housing (40) are connected to an upper surface (18) of the base body (10), the plurality of placement tables (90) are configured such that at least portions thereof are arranged below a portion of the coil housing (65) and that, in a state before the coil unit (60) and the housing (40) are connected to the base body (10), a support section (91) constituting at least a part of the portions arranged below the portion of the coil housing (65) supports the portion of the coil housing (65) from below. ### Claim 13 A hydraulic pressure control unit (1) for a brake system (100) mounted to a straddle-type vehicle (200), the hydraulic pressure control unit (1) comprising: a base body (10) formed with a channel (13) for brake fluid; a coil unit (60) having: a coil (61, 63) that drives a hydraulic pressure regulation valve (20) opening/closing the channel (13); and a coil housing (65) that holds said coil (61, 63); a housing (40) that accommodates the coil unit (60); and a placement table (90) held by the housing (40), wherein when an inside of said hydraulic pressure control unit (1) is in such a state that the housing (40) is arranged above the base body (10) and is observed laterally, the coil unit (60) and the housing (40) are connected to an upper surface (18) of the base body (10), the placement table (90) is configured such that at least a portion thereof is arranged below a portion of the coil housing (65) and that, in a state before the coil unit (60) and the housing (40) are connected to the base body (10), a support section (91) constituting at least a part of the portion arranged below the portion of the coil housing (65) supports the portion of the coil housing (65) from below, and an arm (70), one end of which is held by the housing (40) and which is in contact with a surface (66a) of the coil unit (60) that is opposite to a surface of the coil unit (60) that is adhered to the base body (10), when the inside of said hydraulic pressure control unit (1) is in such a state that the housing (40) is arranged above the base body (10) and is observed laterally.