摘要:
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.
摘要:
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).
摘要:
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.
摘要:
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.
摘要:
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.
摘要:
A compressed air supply installation for operating a pneumatic installation, especially an air suspension installation of a vehicle, includes an air supply unit and an air compression unit for supplying a compressed air supply unit with compressed air, a pneumatic connection, especially a bleeding line, comprising a bleeding valve and a bleeding port for bleeding air, and a pneumatic connection, especially a compressed air supply line having an air drier and a compressed air port for supplying the pneumatic installation with compressed air The air drier has a drier container through which compressed air can flow and which contains a desiccant. The drier container has a wall forming a desiccant-free recess, and at least part of the bleeding valve system is arranged in the recess.
摘要:
A compressed air supply installation for operating a pneumatic installation, especially an air suspension installation of a vehicle, includes: an air supply unit and an air compression unit for supplying a compressed air supply unit with compressed air, a pneumatic connection, especially a bleeding line, comprising a bleeding valve system in the form of a controllable solenoid valve system and a bleeding port for bleeding air, and a pneumatic connection, especially a compressed air supply line, comprising an air drier and a compressed air port for supplying the compressed air. The solenoid valve system comprises a primary valve and a secondary valve, which are actuatable by a controller of the solenoid valve system that is common to both valves and acts upon both valves.
摘要:
A vehicle air suspension installation includes pneumatics configured for operation in conjunction with a compressed air supply installation, and comprises: a pneumatic line having a port connection to the air supply installation, air bellows, each serving as a pressure chamber for an air spring, one air bellows being connected to the pneumatic line via a directional solenoid valve, and the air bellows being fillable/bleedable depending on a switching state of the valve, and first and second directional valves forming a solenoid valve system, which has a pneumatic part that is actuatable by a magnetic part. The first directional valve forms a primary valve, and the second forms a secondary valve. First and second air bellows associated with the valve system are fillable/bleedable depending on the switching state of the primary and secondary valves. The primary and secondary valves are controllable by a controller of the magnetic part. The controller is common to and acts upon both valves.
摘要:
A compressed air supply installation for operating a pneumatic installation, especially an air suspension installation of a vehicle, includes: an air supply unit and an air compression unit for supplying a compressed air supply unit with compressed air, a pneumatic connection, especially a bleeding line, comprising a bleeding valve system in the form of a controllable solenoid valve system and a bleeding port for bleeding air, and a pneumatic connection, especially a compressed air supply line, comprising an air drier and a compressed air port for supplying compressed air. The solenoid valve system comprises a primary valve and a secondary valve, which are actuatable by a controller of the solenoid valve system that is common to both valves and acts upon both valves.
摘要:
A compressed air supply device for operating a pneumatic system, such as a vehicle pneumatic suspension system, comprises a compressed air supply, a first pneumatic connection between the compressed air supply and the pneumatic system, the first pneumatic connection having an air desiccator, a throttle device, and at least one controllable isolating valve, and a second pneumatic connection pneumatically connected to the first pneumatic connection and to a vent connection leading to the surroundings, the second pneumatic connection having at least one controllable vent valve. According to one embodiment, the controllable isolating valve and the throttle device are arranged in series in the first pneumatic connection such that the controllable isolating valve can be switched into an open state when in a through-flow mode, and into a closed state when in an isolating mode.