초록 ▼

An adjusting device for a seat comprises at least one fluid chamber and a valve assembly in fluid communication with the fluid chamber. Each fluid chamber is configured to be installed in the seat to adjust at least a portion of the seat upon inflation or deflation. The at least one fluid chamber co

An adjusting device for a seat comprises at least one fluid chamber and a valve assembly in fluid communication with the fluid chamber. Each fluid chamber is configured to be installed in the seat to adjust at least a portion of the seat upon inflation or deflation. The at least one fluid chamber comprises a first fluid chamber. The valve assembly comprises a check valve and a 3/2-way valve. A first port of the 3/2-way valve is in fluid communication with the check valve, and a second port of the 3/2-way valve is in fluid communication with the first fluid chamber.

대표청구항 ▼

1. An adjusting device for a seat, in particular for a vehicle seat, the adjusting device comprising: at least one fluid chamber, wherein each fluid chamber of said at least one fluid chamber is configured to be installed in said seat to adjust at least a portion of said seat, and wherein each fluid

1. An adjusting device for a seat, in particular for a vehicle seat, the adjusting device comprising: at least one fluid chamber, wherein each fluid chamber of said at least one fluid chamber is configured to be installed in said seat to adjust at least a portion of said seat, and wherein each fluid chamber of said at least one fluid chamber is inflatable;a pressure fluid source; anda valve assembly in fluid communication with said at least one fluid chamber, wherein said at least one fluid chamber comprises a first fluid chamber, and wherein said valve assembly comprises a check valve and a 3/2-way valve, said check valve being connected in between the pressure fluid source and said 3/2 way valve, wherein a first port of said 3/2-way valve is in fluid communication with said check valve and wherein a second port of said 3/2-way valve is in fluid communication with said first fluid chamber,wherein the pressure fluid source includes a housing, wherein an output port of said pressure fluid source is in fluid communication with said check valve, and wherein said valve assembly is arranged in an interior of said housing and is integrated into a pump head. 2. The adjusting device of claim 1, further comprising an electrical control circuit having an input to receive a signal, wherein said control circuit is coupled to said pressure fluid source and to said valve assembly and is configured to control said pressure fluid source and said valve assembly responsive to said received signal, and wherein said control circuit is arranged in said interior of said housing. 3. An adjusting device for a seat, the adjusting device comprising: at least one fluid chamber, wherein each fluid chamber of said at least one fluid chamber is configured to be installed in said seat to adjust at least a portion of said seat, and wherein each fluid chamber of said at least one fluid chamber is inflatable and wherein said at least one fluid chamber comprises a first fluid chamber;a valve assembly in fluid communication with said at least one fluid chamber, wherein said valve assembly comprises a check valve and a 3/2-way valve, wherein a first port of said 3/2-way valve is in fluid communication with said check valve and wherein a second port of said 3/2-way valve is in fluid communication with said first fluid chamber;a pressure fluid source having a housing, wherein an output port of said pressure fluid source is in fluid communication with said check valve, and wherein said valve assembly is arranged in an interior of said housing;an electrical control circuit having an input to receive a signal, wherein said control circuit is coupled to said pressure fluid source and to said valve assembly and is configured to control said pressure fluid source and said valve assembly responsive to said received signal, and wherein said control circuit is arranged in said interior of said housing; andan electrical connector having at least one connector pin coupled to said control circuit and a connector housing, wherein said connector housing is formed as a portion of said housing of said pressure fluid source. 4. The adjusting device of claim 3, wherein said housing of said pressure fluid source has an axial end face, wherein said at least one connector pin extends at said axial end face and parallel to a longitudinal axis of said housing. 5. The adjusting device of claim 1, wherein said 3/2-way valve has a third port for discharging fluid from said first fluid chamber to atmosphere, wherein said third port is arranged in said interior of said housing to discharge said fluid from said first fluid chamber into said housing. 6. The adjusting device of claim 1, comprising a fluid line connector provided on said second port of said 3/2-way valve, wherein an axial end face of said housing of said pressure fluid source has a recess and said fluid line connector is arranged at said recess. 7. The adjusting device of claim 1, wherein said 3/2-way valve is electromagnetically actuable and has a third port for discharging fluid from said first inflatable fluid chamber, and wherein said adjusting device comprises a fluid guide device configured to direct fluid discharged via said third port along a portion of said 3/2-way valve at which power is dissipated when said 3/2-way valve is actuated. 8. The adjusting device of claim 1, further comprising a pressure sensor, wherein said pressure sensor is arranged to sense a pressure at said second port of said 3/2-way valve. 9. An adjusting device for a seat, the adjusting device comprising: at least one fluid chamber, wherein each fluid chamber of said at least one fluid chamber is configured to be installed in said seat to adjust at least a portion of said seat, and wherein each fluid chamber of said at least one fluid chamber is inflatable; anda valve assembly in fluid communication with said at least one fluid chamber, wherein said at least one fluid chamber comprises a first fluid chamber and a second fluid chamber, wherein said valve assembly comprises a check valve and a 3/2-way valve, wherein a first port of said 3/2-way valve is in fluid communication with said check valve and wherein a second port of said 3/2-way valve is in fluid communication with said first fluid chamber, anda further check valve and a further 3/2-way valve, wherein a first port of said further 3/2-way valve is in fluid communication with said further check valve and wherein a second port of said further 3/2-way valve is in fluid communication with said second fluid chamber. 10. The adjusting device of claim 9, wherein said 3/2-way valve comprises one solenoid having a yoke, and wherein said further 3/2-way valve comprises one further solenoid having a further yoke, wherein said adjusting device is configured such that heat is transferred between said yoke and said further yoke when one of said 3/2-way valve and said further 3/2-way valve is actuated. 11. The adjusting device of claim 10, further comprising a heat transfer member in contact which both said yoke and said further yoke. 12. The adjusting device of claim 1, wherein said adjusting device is configured as an adjusting device for at least one of a lumbar support, a four-way lumbar support, or a side bolster support. 13. A method of operating an adjusting device for a seat, in particular for a vehicle seat, wherein said adjusting device comprises at least one inflatable fluid chamber installed in said seat, a pressure fluid source including a housing, and a valve assembly in fluid communication with said at least one inflatable fluid chamber, wherein said at least one inflatable fluid chamber comprises a first inflatable fluid chamber, said method comprising: controlling the pressure fluid source and said valve assembly in dependence on whether said first fluid chamber is to be inflated or deflated, whereinif said first fluid chamber is to be inflated, said pressure fluid source is actuated to supply fluid to said first fluid chamber via a check valve and a 3/2-way valve of said valve assembly, said check valve being connected in between said pressure fluid source and said 3/2 way valve, wherein an output port of said pressure fluid source is in fluid communication with said check valve, and wherein said valve assembly is arranged in an interior of said housing and is integrated into a pump head, andif said first fluid chamber is to be deflated, electrical power is supplied to said 3/2-way valve to actuate said 3/2-way valve such that fluid is discharged to atmosphere from said first fluid chamber via said 3/2-way valve. 14. The adjusting device of claim 1, wherein said pressure fluid source is a pump. 15. The adjusting device of claim 1, wherein said check valve is a passive valve.