A brake assembly includes a housing configured to contain lubricant at a lubricant level, a shaft disposed in the housing, an annular brake pack disposed in the housing and around the shaft, an annular piston disposed in the housing and around the shaft and configured to move axially relative to…
The present invention relates to a device and a method for braking, and a vehicle comprising the same. The present invention has an effect of easily releasing a braking force of a parking brake by switching between a first state, in which first and second lines of a service brake are connected and…
The invention relates to a mobile work machine (1), in particular an industrial truck, with a braking device (6) which is designed as a hydraulically releasable spring accumulator brake (7) and as a dual-circuit service brake, wherein the spring accumulator brake (7) can be acted upon by way of a…
A parking brake system includes an engine oil pressure switch controlling the activation of a parking brake. The controller is actuated to temporally ignore a communication from the engine oil pressure switch so that the brake may be released even when the engine is disabled.
The present invention relates to a hydraulic pressure control device for construction machinery, comprising: a pilot pump; a swing motor for rotary-actuating an upper turning body; a brake control valve for controlling the direction of a hydraulic pressure of the pilot pump to operate a brake; a…
A powered vehicle (10) includes a power source for generating energy to power the vehicle; a spring-applied hydraulic release (SAHR) vehicle brake (11) comprising first (12) and second (13) mutually engageable brake elements. The first brake element (12) is secured to or forms part of a rotatable…
To provide a motor, a wet type brake, or a wet type clutch in which liquid coolant is sealed and viscous resistance in a gap between a casing and a rotor is reduced. Provided is a motor (10) which includes a casing (60), and a rotor shaft (70) which rotates relative to the casing (60), in which…
The present invention provides a small brake cylinder device that can increase braking force output from a brake output portion that moves along with a rod, while suppressing an increase in the device size. A piston 24 defines a pressure chamber 43 and surrounds the axis of the rod 22 inside a…
A construction machine includes: a negative parking brake (4) whose braking state is released by supply of hydraulic fluid; and a parking brake hydraulic circuit (5) that is branched from a hydraulic fluid supplying circuit (6) supplying the hydraulic fluid to a transmission of the construction…
The apparatus has a hydraulic stopping brake designed as a spring-applied multi-disk brake (50) for braking drive movement of a crane drive in an emergency situation. A directly controlled pressure regulation valve (70) controls the brake to ensure time-delayed braking torque build-up. A control…
The system (1) has an electrical actuatable brake valve device (10) comprising an electrically actuatable control valve (12) i.e. two-position valve, arranged in one of brake release pressure lines (8). The pressure lines are formed between another electrically actuatable control valve (11) and…
The brake control system (1) comprises a brake unit (2), which is formed as spring brake, particularly a brake unit working as parking brake. An electrically actuatable brake valve unit (15) is provided, which is upstreamed for controlling the brake unit of a brake release pressure chamber (7a,7b)…
Combined braking equipment for vehicles of the type fixable to the brake control body and on a surface adjacent to it (9), characterized in that it comprises: iv - lever-operated means (1) that are substantially "L"-shaped with intermediate rocker hinging connecting the bearing structure to said…
The device is applied to mechanical brakes (4) applied by means of an elastic element and released by means of a pressurised fluid introduced into a chamber (4c) of a single-acting cylinder which contrast an action of the elastic element. The device comprises a two-position three-way valve (7)…
Hydraulic circuit for the hydrostatic transmission of a vehicle comprising at least one hydraulic motor (10), two main lines (12, 14), a parking brake (30, 32) having braking means, release control means (38) for supplying the release chamber from a first fluid source and means (42) for connecting…
The unit has a spring-loaded parking brake released by a hydraulic or pneumatic brake release cylinder (1). This is connected via a pressure medium line (4) to a brake pressure cylinder (5) with piston. The piston is moved relative to a cylinder tube of the brake pressure cylinder by a force…