Abstract:
A door control system for a vehicle includes a compressor, an air dryer, a door control valve and at least one cylinder that can be actuated by compressed air. A piston of the cylinder can occupy a first functional position and a second functional position. The air dryer, in drying mode, is exposed to throughflow of the air flowing into the cylinder, and in regeneration mode is exposed to throughflow by the air discharging from the cylinder. The cylinder is pressurized only with compressed air from a compressed air accumulator.
Abstract:
The invention relates to an air supply device (1) for a pneumatic spring system (9) of a vehicle, comprising an air filter as a processor (2) for incoming air, an inlet air line (3), an outlet air line (4), a compressor (5), and optionally an air drier (6), wherein the inlet air line (3) and the outlet air line (4) are decoupled by a first and a second check valve (7, 8) and the processor (2) is arranged between the compressor (5) and the first or second check valve (7, 8).
Abstract:
An air supply device for a pneumatic spring system of a vehicle includes an air filter as a processor for incoming air, an inlet air line, an outlet air line, a compressor, and, optionally, an air drier. The inlet air line and the outlet air line are decoupled by a first and a second check valve, and the processor is arranged between the compressor and the first or second check valve.
Abstract:
The invention relates to a door control system for vehicles, with a compressor (1), an air dryer (3), a door control valve (4) and at least one cylinder (2) which can be actuated by compressed air, and also relates to a method for actuating a cylinder (2) of a vehicle door, in which a piston (13) of the cylinder (2) can occupy a first functional position (O) and a second functional position (X). The air dryer (3), in drying mode, is exposed to throughflow of the air flowing into the cylinder (2) and in regeneration mode is exposed to throughflow by the air discharging from the cylinder (2). The cylinder (2) is pressurised only with compressed air from a compressed air accumulator (7).
Abstract:
A compressed air supply device for operating a pneumatic installation comprises an air supply unit configured to supply air, an air compression unit configured to compress air, a bleeding line comprising a controllable solenoid valve arrangement, the solenoid valve arrangement having a magnetic part and a pneumatic part, and a bleeding port configured to bleed air. The device also comprises a compressed air supply line having an air drier and a compressed air port, the compressed air supply line being configured to supply the pneumatic installation with compressed air, wherein the pneumatic part is open when the magnetic part is not activated.
Abstract:
The invention relates to a compressed air supply installation (10, 10A, 10B, 10C) for operating a pneumatic installation (90), especially an air suspension installation of a vehicle, comprising the following: an air supply unit (0) and an air compression unit (21) for supplying a compressed as supply unit (1) with compressed air, a pneumatic connection, especially a bleeding line (30), comprising a bleeding valve system in the form of a controllable solenoid valve system (40, 40A, 40B, 40C) having a magnetic part (43, 43A, 43B, 43C) and a pneumatic part (44, 44A, 44B, 44C), and further comprising a bleeding port (3) for bleeding air, and the compressed air supply installation further comprising a pneumatic connection, especially a compressed air supply line (20) having an air drier (22) and a compressed air port (2) for supplying the pneumatic installation (90) with compressed air. According to the invention, the pneumatic part (44, 44A, 44B, 44C) of the solenoid valve system (40, 40A, 40B, 40C) is open when the magnetic part (43, 43A, 43B, 43C) of the solenoid valve system (40, 40A, 40B, 40C) is not activated.
Abstract:
A pneumatic installation, especially an air suspension installation for a vehicle, operates in conjunction with a compressed air supply installation and comprises: a gallery line, at least one air spring having a pressure chamber, which can be pneumatically connected to the gallery line, an accumulator for compressed air, which is pneumatically connectable to the gallery line, and a compressed air port for pneumatic connection of the pneumatic installation and the compressed air supply installation. The pneumatic connection comprises a controllable shut-off valve system, which is formed by at least one directional valve and has first, second and third ports, the accumulator being pneumatically connected to the first port, the compressed air port being pneumatically connected to the second port, and the gallery line being pneumatically connected to the third port, the second port being switchable to a closed state in which the pneumatic connection is completely closed in both directions.
Abstract:
The invention relates to a compressed air supply installation (10, 11, 12, 20, 30) for operating a pneumatic installation (90), especially an air suspension installation of a vehicle, comprising a compressed air supply unit (1), a compressed air port (2) towards the pneumatic installation (90), a venting port (3) towards the surroundings, a first pneumatic connection between the compressed air supply (1) and the compressed air port (2), said pneumatic connection having an air drier (61) and a shut-off valve, and a second pneumatic connection between the compressed air port (2) and the venting port (3). According to the invention, the shut-off valve is designed as a pneumatically pilot-controlled check valve (63, 64).
Abstract:
The invention relates to a pneumatic installation (901, 902, 903, 904, 905), especially in the form of an air suspension installation for a vehicle, which is adapted for operation in conjunction with a compressed air supply installation (11, 21, 31, 41) and comprises the following: a collecting line in the form of a gallery line (95), at least one air spring having a pressure chamber which can be pneumatically connected to the gallery line (95), an accumulator (92) for compressed air, which is pneumatically connectable to the gallery line (95), and a compressed air port (2) for a pneumatic connection of the pneumatic installation (901, 902, 903, 904, 905) and the compressed air supply installation (11, 21, 31, 41). According to the invention, the pneumatic connection comprises a controllable shut-off valve system (700, 800, 800′, 900) which is formed by at least one directional valve and has a first, a second and a third port (X, Y, Z), the accumulator (92) being pneumatically connected to the first port (X), the compressed air port (2) being pneumatically connected to the second port (Y), and the gallery line (95) being pneumatically connected to the third port (Z), the second port (Y) being switchable to a closed state in which the pneumatic connection is completely closed in both directions.