序号 专利名 申请号 申请日 公开(公告)号 公开(公告)日 发明人
21 브레이크 실린더 장치 및 브레이크 장치 KR1020157030997 2014-03-27 KR1020150135788A 2015-12-03 아사노요시오; 오이에히데유키
래치부재의정상적인동작을확보한다. 주차스프링브레이크기구(25)를갖는브레이크실린더장치(2)에는, 피스톤(35)의가압력을브레이크력전달부(14)에전달또는차단하도록구성된클러치기구(27)와, 클러치기구(27)에결합함으로써브레이크력전달부(14)의피스톤(35)에대한상대변위를규제하는한편, 클러치기구(27)와의결합이해제됨으로써브레이크력전달부(14)의피스톤(35)에대한상대변위를허용하는래치부재(49)와, 경사부가래치부재(49)의돌출부와결합하는래치로크부재(51)와, 래치로크부재(51)의회전을방지하는회전방지부(5)를구비하고있다.
22 유압 차량 브레이크 KR1020057004626 2003-09-17 KR1020050057421A 2005-06-16 할라쉬-비머게오르크; 쉴로타; 바이러롤프; 발츠위르겐; 샥크페터; 바우어토마스; 드룸슈테판; 하이제안드레아스; 쇨러요아힘; 슈미트슈테판요한네스; 폴만안드레아스; 빈클러토마스; 크놉폴커; 슈리퍼외른; 하르트만랄프; 쉴레카르슈텐; 괴를라흐요한네스; 폴츠페터
The invention relates to a hydraulic parking brake equipped with a parking brake device, in particular for motor vehicles and comprising a brake housing, in which a hydraulic service pressure chamber is delimited by a brake piston. According to the invention, the parking brake device acts on the brake piston and can be locked by means of a locking device once the brake is applied and comprises an energy accumulator that has at least one integrated spring element and co-operates with the brake piston. The aim of the invention is to provide a simple, cost-effective parking brake function that complies with legal requirements. To achieve this, the parking brake device can be actuated by a pressure that is regulated in the service pressure chamber (7) and that can be used to charge the energy accumulator (10).
23 HYDRAULIC COUPLING US15577106 2016-06-02 US20180172083A1 2018-06-21 Lars Severinsson; Bo LUNDSTRÖM
A hydraulic disc coupling (1) for a system distributing torque between the left and right wheels and/or the front and rear axles of a vehicle is provided. A coupling piston (6) is configured to be mechanically locked by an integrated locking arrangement (23), when the coupling piston (6) is actuated to act on the disc package (8), such that the coupling remains engaged whereby the input (2) is connected to the output (7) of the coupling (1) without hydraulic pressure acting on the coupling piston (6). Unlocking of the integrated locking arrangement (23) is provided by again actuating the coupling piston (6).
24 RAIL VEHICLE BRAKING SYSTEM AND BRAKING METHOD FOR A RAIL VEHICLE COMPRISING SUCH A SYSTEM US15541950 2015-12-30 US20180001882A1 2018-01-04 Claudino GONCALVES; Evi FERRON; Gilles BOISSEAU; Louis SELLIER
Disclosed is a railway braking system including a service brake supplied by a first source, a parking brake having a device for immobilizing the service brake and a mobile control device for mobile control of the immobilizing device, and a command and control unit configured to receive information indicative of a value of the first source, process information indicative of a parking brake setpoint so as to actuate the control device, and determine a value of a second source according to the setpoint and to the information indicative of a value of the first source, so as to supply a pressure chamber of the service brake.
25 Metering check valve for active brake pads retraction system US12416985 2009-04-02 US08075066B2 2011-12-13 Jeff Greer
In an active brake pads retraction system, the improvement is a metering check valve which limits the retraction. The metering check valve is interfaced with an anti-lock brake system (ABS), disposed in the hydraulic brake line between the brakes apply system of the ABS and a caliper member of the ABS located at each brake corner. Brake pads are retracted with respect to the brake rotor responsive to predetermined conditions of the motor vehicle in which braking is not required, wherein a retraction volume within the metering check valve limits the amount of brake pads retraction.
26 Metering Check Valve for Active Brake Pads Retraction System US12416985 2009-04-02 US20100253136A1 2010-10-07 Jeff Greer
In an active brake pads retraction system, the improvement is a metering check valve which limits the retraction. The metering check valve is interfaced with an anti-lock brake system (ABS), disposed in the hydraulic brake line between the brakes apply system of the ABS and a caliper member of the ABS located at each brake corner. Brake pads are retracted with respect to the brake rotor responsive to predetermined conditions of the motor vehicle in which braking is not required, wherein a retraction volume within the metering check valve limits the amount of brake pads retraction.
27 Hydraulically Actuated Multi-Piston Disc Brake US12756421 2010-04-08 US20100252374A1 2010-10-07 Aleksandar PERICEVIC; Johann Baumgartner; Robert Trimpe; Steffen Geissler
A hydraulically actuated disc brake has at least two hydraulic brake pistons acting upon a brake lining, arranged in a brake housing. The hydraulic disc brake includes a hydraulic synchronization device for reducing oblique wear of the brake lining. The hydraulic synchronization device is interposed between an input pressure line for brake actuation and the brake piston.
28 Clutch and brake latch mechanism US12214039 2008-06-16 US20080314711A1 2008-12-25 Mavinkal Jayaram; Philip George
A clutch including: a first piston displaceable to operate a clutch pack; a second piston; a first fluid chamber partially formed by the pistons, wherein the second piston is displaceable by fluid pressure in the first fluid chamber; and a locking means fixable by the second piston to hold the pack closed. In a preferred embodiment, the locking means includes at least one displaceable ball. In another preferred embodiment, in response to a loss of fluid pressure in the first chamber, the second piston is displaceable to enable displacement of the locking means to open the pack. In a further preferred embodiment, the clutch includes a second chamber, separate from the first chamber and partially formed by the first piston. The first piston is displaceable in response to fluid pressure in the second chamber. The pack remains closed after a loss or reduction of fluid pressure in the second chamber.
29 Automatic parking brake device US10571739 2004-10-04 US20070182242A1 2007-08-09 Hiromi Inagaki
An automatic parking brake system is provided in which a parking piston (23) that enables a parking brake state to be obtained by forward movement in response to a parking control fluid pressure acting on a rear face of the parking piston (23) is slidably fitted into a casing (22), and a lock mechanism (25) is provided within the casing (22) to the rear side of the parking piston (23) so as to automatically lock in response to forward movement of the parking piston (23) in order to mechanically lock the parking piston (23) at a forward position and unlock in response to a parking release control fluid pressure acting on the lock mechanism (25), the parking control fluid pressure and the parking release control fluid pressure being obtained by fluid pressure control means controlling a fluid pressure generated by a fluid pressure source. This enables an automatic parking brake state to be obtained by a simple structure without consuming power.
30 Pneumatically actuated disc brake having an adjustment device US10528761 2003-09-23 US20060124402A1 2006-06-15 Dieter Bieker; Johann Baumgartner
The invention relates to a pneumatically actuated disc brake for utility vehicles, said disc brake comprising a single-part or multi-part caliper which overlaps a brake disc and can be pivoted or displaced in relation to a wheel axis or a wheel hub, an application device which is arranged in the caliper and is used to apply the brake, and an adjustment device. The invention is characterized in that the adjustment device comprises at least one adjustment unit that can be directly actuated by means of compressed air, independently from the application device.
31 Adaptation of TMX for axle motion III truck application US10971875 2004-10-22 US20060087174A1 2006-04-27 Howard Sommerfeld
An apparatus engageable with a railway vehicle truck-mounted braking system for compensating for truck bolster movement which includes at least one force transmitting wedge member movable in a reciprocating motion by a pneumatic actuator. The at least one force transmitting wedge member engage rollers rotateably attached to a return push rod member disposed within the truck-mounted braking system for extending the return push rod member to reduce brake shoe clearance prior to brake shoe application. A method for compensating for truck bolster movement also includes fully pressurizing a wedge actuator prior to pressurizing the main brake apparatus actuator. Depressurization of the system returns the force transmitting wedges and return push rod to their original positions upon completion of brake application, subsequently increasing brake shoe clearance for allowable truck bolster movement.
32 Vehicle brake system US11241730 2005-09-30 US20060071546A1 2006-04-06 Hiromi Inagaki; Yasuhiro Arikawa; Masaru Gotoh; Hidetoshi Kobori
A lock piston 64 operates to automatically lock a parking brake piston 53 which achieves a parking brake applied state in response to hydraulic pressure in a parking brake application control hydraulic chamber 54 and operates to release a locked state in response to hydraulic pressure in a parking brake release control hydraulic chamber 69, and a manual change-over unit 108 holding the hydraulic pressure in the parking brake release control hydraulic chamber 69 to a hydraulic pressure on a lock release side, is provided among the wheel brake side hydraulic path 76, the parking brake application control hydraulic chamber 54 and the parking brake release control hydraulic-chamber 69 by bypassing a hydraulic pressure control unit 87 which changes over the application or release of hydraulic pressure to the parking brake application control hydraulic chamber 54 and the parking brake release control hydraulic chamber 69.
33 Park lock activated by fluid US11028988 2005-01-04 US20050179315A1 2005-08-18 Lars Severinsson
The present invention concerns a parking lock for combination with a service brake actuator for a vehicle, preferably a heavy road vehicle. The service brake actuator comprises a fluid actuated piston having a piston rod. The parking lock surrounds the piston rod of the service brake. The parking comprises a pneumatically or hydraulically actuated locking means. The parking lock has a locking mechanism and an actuating mechanism. The piston rod is free to move in axial, radial and angular directions in relation to the locking mechanism.
34 Diaphragm brake actuator US3759147D 1971-02-24 US3759147A 1973-09-18 JOHNSSON C; SWANDER K
An improved service brake air diaphragm chamber having two diaphragms placed close to each other therewithin and held in position inside the service chamber by a single clamp band, the outer of said diaphragms having an air hose fitting, whereby air pressure may be fed through said fitting to the space between the diaphragms by means of a flexible air hose connected to the fitting and an inlet port on the outer pressure plate of the service chamber, the service chamber having its rear cover or pressure plate made with a cavity behind the outer diaphragm for lodging the half-coil flexible hose and a second inlet port outboard of the outboard diaphragm to feed air pressure outboard thereof. Service brake locking means including a push rod made with sawtooth grooves on a length thereof spaced from a push rod disc on one end thereof abutting the inner of said two diaphragms, the saw-tooth grooves operating as a ratchet to be held in a locked position by means of a spring actuated pawl, when the diaphragms have transmitted their force to the push rod (locking the brake in on position), the pawl being part of a piston which, on one side thereof, is actuated by spring force and the other side actuated by air pressure; The combination of the service brake air diaphragm chamber with two diaphragms and the air hose fitting with, as a first option, an outboard spring emergency and parking brake unit and, as a second option, an inboard spring emergency and parking brake power unit, neither of these two latter forms employing a lock mechanism.
35 PNEUMATIC BRAKE RELEASE APPARATUS USED ON ELEVATOR TRACTION MACHINE US15583853 2017-05-01 US20170234379A1 2017-08-17 Haimin LUO
The utility model relates to a pneumatic brake release apparatus used on an elevator traction machine, which includes an air cabin, an air storage tank, air delivery pipes, air films, a push rod and air control apparatuses, wherein the air films are arranged at two sides in the air cabin, one end of the push rod is connected to the air films, the other end of the push rod penetrates through the outer wall of the air cabin and is connected with the upper end of a locking arm, an intermediate air cabin of the air cabin is provided with an intermediate air inlet end and an intermediate air outlet end, a film-anterior air cabin of the air cabin is provided with a film-anterior air inlet end, the intermediate air inlet end and the film-anterior air inlet end of the air cabin are respectively connected with the air storage tank by virtue of the air delivery pipes, and the intermediate air outlet end is directly communicated with the atmosphere. By means of the technical solution, the air films in the air cabin are pushed by using compressed air to drive the push rod to transfer a thrust force, so that the locking arms are unfolded, and the locking brake and the brake release are implemented in a pneumatic way. Therefore, the problems in the prior art that a great amount of electric energy is consumed and the noise is difficult to eliminate can be solved, no noise is generated during operation, the safety is high, the structure is simple, and the manufacturing cost is greatly reduced.
36 Calliper body for disc brake US14346045 2012-09-20 US09464678B2 2016-10-11 Andrea Cerutti; Davide D'Alessio
Calliper body (4) for disk brake having two elongated elements (5 and 6) on opposite sides of the disk and suitable for supporting and pressing pads (13 and 14) against the disk (2), each of said ‘elongated bodies (5 and 6) comprising an exit portion (97) of thrust means suitable for facing one of said pads (13, 14), each of said exit portions (97) having a boundary (96) delimited on the opposite side to the rotation axis (9) by an upper boundary (98) which borders a radially outer portion (21, 22) of the elongated body, said calliper body (4) having at least one connection bridge (3) with an inner bridge side (30, 31) facing towards the calliper body, said radially outer portion being divisible, along its direct tangential extension parallel to the circumferential direction, into three substantially equal sections (23, 24, 25 or 26, 27, 28), of which two lateral sections (23 and 25 or 26 and 28) and one interposed central section (24, 27), wherein said calliper body (4) comprises at least one reinforcement element (41, 42, 43, 44) suitable for firmly connecting one said inner bridge side (30, 31) to one said central section (24, 27) of the adjacent radially outer portion (21, 22), said at least one reinforcement element at least partially surmounting said upper boundary (98) and said pads (13 and 14); and wherein the crossing of the projection in a direction parallel to the axial direction (9) of the central section (24, 27) of the radially outer portion (21, 22), with the projection in a circumferential direction of the central section (33, 36) of the bridge side (30, 31), defines a radial through aperture (20) which places the space between the elongated bodies (5,6) in communication with the outside of the calliper body (4) so as to permit the outflow of hot air from inside the calliper body (4) outwards.
37 Brake or coupling system and method of operating such system US14005617 2012-03-19 US09371845B2 2016-06-21 Jakob Bak Japelt; Lars Peter Eriksen; Poul Sejer Nielsen
The brake or coupling system (1) comprises a first piston (2) arranged in a first piston cylinder (3) thereby forming a first piston chamber (5) and a second piston (8) arranged in a second piston cylinder (9) thereby forming a second piston chamber (10). The first piston (2) is adapted to be displaced between a braking position and a rest position. The first piston (2) is spring biased in the direction of its rest position, and the second piston (8) is adapted to adjust a distance (X) provided between a friction element (6) and a rotatable element (7) in the rest position of the first piston (2) by means of adjustment of a volume of hydraulic fluid trapped in the second piston chamber (10). At least one spring element is arranged to act between the first and second pistons (2, 8). The first and second pistons (2, 8) are so arranged that a hydraulic pressure in the first and second piston chambers (5, 10), respectively, will urge the first and second pistons (2, 8) in opposite directions, thereby biasing the at least one spring element.
38 Calliper Body for Disc Brake US14346045 2012-09-20 US20150027822A1 2015-01-29 Andrea Cerutti; Davide D'Alessio
Calliper body (4) for disk brake having two elongated elements (5 and 6) on opposite sides of the disk and suitable for supporting and pressing pads (13 and 14) against the disk (2), each of said elongated bodies (5 and 6) comprising an exit portion (97) of thrust means suitable for facing one of said pads (13, 14), each of said exit portions (97) having a boundary (96) delimited on the opposite side to the rotation axis (9) by an upper boundary (98) which borders a radially outer portion (21, 22) of the elongated body, said calliper body (4) having at least one connection bridge (3) with an inner bridge side (30, 31) facing towards the calliper body, said radially outer portion being divisible, along its direct tangential extension parallel to the circumferential direction, into three substantially equal sections (23, 24, 25 or 26, 27, 28), of which two lateral sections (23 and 25 or 26 and 28) and one interposed central section (24, 27), wherein said calliper body (4) comprises at least one reinforcement element (41, 42, 43, 44) suitable for firmly connecting one said inner bridge side (30, 31) to one said central section (24, 27) of the adjacent radially outer portion (21, 22), said at least one reinforcement element at least partially surmounting said upper boundary (98) and said pads (13 and 14); and wherein the crossing of the projection in a direction parallel to the axial direction (9) of the central section (24, 27) of the radially outer portion (21, 22), with the projection in a circumferential direction of the central section (33, 36) of the bridge side (30, 31), defines a radial through aperture (20) which places the space between the elongated bodies (5,6) in communication with the out side of the calliper body (4) so as to permit the outflow of hot air from inside the calliper body (4) outwards.
39 INTEGRATED PARKING BRAKE FOR DISC BRAKE US14058047 2013-10-18 US20140110197A1 2014-04-24 Donald L. Burgoon; Mark Wagner; Darin Cate
A parking brake actuator for a disc brake caliper having at least one service piston. The parking brake actuator includes a tapered collet having an axial bore for receiving the service piston; a release piston, said release piston in axially alignment with the service piston and said tapered collet, said release piston having an internally disposed taper for co-acting with the taper of said tapered collet; and a biasing means, said biasing means structured and arranged to apply a force to said release piston sufficient to place the parking brake actuator in an actuated condition.
40 BRAKE OR COUPLING SYSTEM AND METHOD OF OPERATING SUCH SYSTEM US14005617 2012-03-19 US20140013732A1 2014-01-16 Jakob Bak Japelt; Lars Peter Eriksen; Poul Sejer Nielsen
The brake or coupling system (1) comprises a first piston (2) arranged in a first piston cylinder (3) thereby forming a first piston chamber (5) and a second piston (8) arranged in a second piston cylinder (9) thereby forming a second piston chamber (10). The first piston (2) is adapted to be displaced between a braking position and a rest position. The first piston (2) is spring biased in the direction of its rest position, and the second piston (8) is adapted to adjust a distance (X) provided between a friction element (6) and a rotatable element (7) in the rest position of the first piston (2) by means of adjustment of a volume of hydraulic fluid trapped in the second piston chamber (10). At least one spring element is arranged to act between the first and second pistons (2, 8). The first and second pistons (2, 8) are so arranged that a hydraulic pressure in the first and second piston chambers (5, 10), respectively, will urge the first and second pistons (2, 8) in opposite directions, thereby biasing the at least one spring element.
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