| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 188355000 | With nonmanual fluid-power source | 16 |
| 20100078278 | Trailer connection selector - A truck includes a pressurized air supply system for providing air to one of a plurality of air supply connections and a selector circuit for providing selection to one of the air supply connections. The circuit includes a first inversion valve with supply from a selector valve and control from a parking brake valve, a second inversion valve with supply from the parking brake valve and delivery to a first air supply connection, a synchro valve with supply from the parking brake valve and delivery to a second air supply connection, a double check valve with supply from the first inversion valve and the synchro valve and delivery to a control line of the second inversion valve and the synchro valve, a first trailer supply connection to the delivery line of the second inversion valve, and a second trailer supply connection to the delivery line of the synchro valve. | 04-01-2010 |
| 20140131154 | Vehicle Brake System - A brake pedal unit for coupling to a brake pedal includes a housing and a pedal simulator housed within a simulation chamber formed in the housing. The pedal simulator includes a spring for providing force feedback. A first piston is mounted in the housing. The first piston is operable to generate brake actuating pressure at a first pressure output. A second piston is mounted in the housing. The first piston is operable to generate brake actuating pressure at a second pressure output. An input piston is connected to operate the pedal simulator during a normal braking mode, and wherein the input piston is coupled to actuate the first and second pistons during a manual push-though mode. | 05-15-2014 |
| 20140318910 | BRAKE SYSTEM FOR A VEHICLE AND METHOD FOR OPERATING A BRAKE SYSTEM OF A VEHICLE - A brake system is described for a vehicle having a master brake cylinder that is hydraulically connected to at least one wheel brake caliper, and having a fluid conveyor device by which brake fluid can be transferred into the at least one wheel brake caliper and out of the at least one wheel brake caliper, the fluid conveyor device including a pump motor that is controllable in two directions of rotation, the motor being capable of being controlled in such a way that brake fluid can optionally be pumped by the fluid conveyor device either out of a fluid storage device into the at least one wheel brake caliper or out of the at least one wheel brake caliper into the fluid storage device. In addition, also described is a method for operating a brake system of a vehicle. | 10-30-2014 |
| 188356000 | Vacuum power | 5 |
| 20080236970 | Optimized Hydraulic Brake System - In an optimized hydraulic brake system, a pedal travel sensor is used to improve pedal feel. In order to improve pedal feel, a low pressure is detected in the brake booster and the brake hydraulic system is used to increase wheel pressure. This prevents the operator from having to exert an increasing large force on the brake pedal during a deceleration situation. | 10-02-2008 |
| 20090008200 | Negative Pressure Type Booster Device - To provide a negative pressure type booster device which has a high responsiveness even when a brake pedal is stepped on strongly and which is simplified and compact in construction. To this end, a passage | 01-08-2009 |
| 20140102843 | VACUUM BOOSTER - According to one embodiment, a vacuum booster includes a booster shell and a booster piston which divides an interior of the booster shell into a front vacuum chamber and a rear operation chamber. The vacuum booster further includes a valve cylinder in which a control valve controls a communication state of the operation chamber depending on a movement of an input rod. A bearing cylinder is provided on a rear wall of the booster shell. A bearing bush is mounted in the bearing cylinder to support the valve cylinder, and a seal lip is provided at a rear end of the bearing bush integrally therewith to contact elastically closely with the valve cylinder. A grease reservoir is provided in an inner surface of the bearing bush, and an extension grease reservoir is provided in an inner surface of the seal lip. | 04-17-2014 |
| 20140182987 | VACUUM BOOSTER - A vacuum booster is configured so that at least when an input rod is released, a front surface of a flexible portion of a valve element communicates with a first port which communicates with a vacuum chamber. A valve element holder is formed of a single member made of a sheet of steel which includes a rim portion, an annular arm portion, and a crimp holding portion. The rim portion is fitted to an inner circumferential surface of a valve cylinder via a seal member. The annular arm portion extends inwards in a radial direction from a front end of the rim portion. The crimp holding portion extends from an inner circumferential end of the arm portion to form a bag-like shape and to narrow a front opening portion thereof. The crimp holding portion crimp holds a mounting bead portion of the valve element from rear thereof. | 07-03-2014 |
| 188357000 | And manual | 1 |
| 20100193311 | Enhanced Brake Booster Vacuum Support - An apparatus and method for providing enhanced vacuum to a brake booster of a braking system under certain operational conditions. Vacuum is stored in a reservoir and is controllably released to the brake booster to provide a brake booster vacuum level of at least a predetermined vacuum level threshold in order to avoid brake pedal performance issues being perceived by the driver of motor vehicles utilizing engines utilizing a supplemental brake assist system under conditions where the brake booster vacuum level is less than the predetermined vacuum level threshold. | 08-05-2010 |
| 188358000 | Liquid power | 7 |
| 20080236971 | VEHICLE BRAKE APPARATUS - A pressure regulating valve unit | 10-02-2008 |
| 20080251335 | Hydraulic Unit for a Hydraulic Vehicle Brake System Having Anti-Skid Control - The invention relates to a hydraulic unit for a hydraulic vehicle brake system having anti-skid control. The hydraulic unit includes a hydraulic block and an electric motor for driving hydraulic pumps inside the hydraulic block. The hydraulic block and electric motor are joined at a circumferential joint. For connection, the invention provides that the electric motor is provided with a radial flange, which is overlapped by a surrounding bead of the hydraulic block. The bead is designed so that it overlaps, in a radial inward manner, the radial flange of the electric motor by a joining process, for example, a surrounding caulking. The electric motor is sealingly connected to the hydraulic block in a simple manner by the surrounding joining process. | 10-16-2008 |
| 20080257670 | Brake System for Motor Vehicles - A brake-by-wire brake system has a pressure supply device ( | 10-23-2008 |
| 20100276239 | BRAKE SYSTEM AND METHOD FOR OPERATING A BRAKE SYSTEM - A brake system for a vehicle is described, having a main brake cylinder which is designed to detect an actuation of a brake input element and to provide a pressure signal corresponding to the actuation of the brake input element, and a first brake circuit having a first wheel brake cylinder which is configured to exert a force on a first wheel corresponding to the pressure signal, having a first switching valve which is situated between the main brake cylinder and the first wheel brake cylinder and which is designed as an isolating valve, having a first pump and a storage chamber, the storage chamber in a neutral state having a storage volume on a side facing the first pump, and having a first wheel outlet valve which is associated with the first wheel and which is configured to control a flow of braking medium between the first wheel brake cylinder and the storage chamber. A method for controlling a corresponding brake system is also described. | 11-04-2010 |
| 20100276240 | BRAKE SYSTEM AND METHOD FOR CONTROLLING A BRAKE SYSTEM - A brake system for a vehicle having a master brake cylinder, which provides a pressure signal, having a brake-medium reservoir connected to the master brake cylinder, and a first brake circuit, which is coupled by a first input to the master brake cylinder and by a second input to the brake-medium reservoir, and having at least one first wheel brake cylinder, which is mounted at a first wheel, in order to exert a force corresponding to the pressure signal onto the first wheel, and having a separator valve, which is configured between the first input and the first wheel-brake cylinder, to prevent further transmission of the pressure signal upon receipt of a supplied closing signal; and having a control valve, which is configured between the first input and the first wheel-brake cylinder; in order to control an inflow of a brake medium from brake-medium reservoir to the first wheel-brake cylinder. In addition, a method for controlling a corresponding brake system is also described. | 11-04-2010 |
| 20110272228 | BRAKE SYSTEM FOR A MOTOR VEHICLE AND MOTOR VEHICLE HAVING SUCH A BRAKE SYSTEM - A brake system for a motor vehicle having an at least single-circuit brake cylinder with the aid of which a brake force may be applied to at least one wheel of the motor vehicle when actuated. The brake cylinder is mechanically operatively connected to a booster cylinder, which is decoupled from brake setpoint detector and is hydraulically triggerable for actuation of the brake cylinder corresponding to the driver's intent as detected with the aid of the brake setpoint detector. A motor vehicle having a brake system is also described. | 11-10-2011 |
| 20140014451 | HYDRAULIC BRAKE SYSTEM - A hydraulic brake system includes: a plurality of hydraulic brakes; and a first hydraulic pressure generator including a first hydraulic pressure source and a first hydraulic pressure controlling portion that is configured to control an output hydraulic pressure of the first hydraulic pressure source to a target hydraulic pressure. The plurality of hydraulic brakes includes (a) at least one disk brake and (b) at least one drum brake. The first hydraulic pressure generator is in communication with a first brake cylinder that is the brake cylinder of each of the at least one disk brake, and is isolated from a second brake cylinder that is the brake cylinder of each of the at least one drum brake, in a case when a regenerative cooperative control is executed. | 01-16-2014 |
| 188360000 | And manual | 1 |
| 20110266106 | BRAKE CONTROL APPARATUS AND BRAKE CONTROL METHOD - A brake control apparatus includes an electric power supply, a fluid pressure source whose operating fluid pressure fluctuates by a driver's operation, a wheel cylinder for applying a braking force to a wheel using an operating fluid supplied from the fluid pressure source, a control valve provided between the fluid pressure source and the wheel cylinder and mechanically opened by a differential pressure when a higher pressure is applied to the fluid pressure source than to the wheel cylinder, and a control portion for opening/closing the control valve through a control current. The control valve is a normally open valve that is closed through a prescribed control current set not to mechanically open the control valve by the differential pressure during normal braking. The control portion closes the control valve through a control current smaller than the prescribed control current when the electric power supply is in a low-voltage state. | 11-03-2011 |
