An air-conditioning system for air-conditioning an interior of a vehicle may include a fan for driving air. The system may include a control device that may include a circulating air inlet for drawing in circulating air from the interior, a fresh air inlet for drawing in fresh air from an environmen
An air-conditioning system for air-conditioning an interior of a vehicle may include a fan for driving air. The system may include a control device that may include a circulating air inlet for drawing in circulating air from the interior, a fresh air inlet for drawing in fresh air from an environment of the vehicle, and an air outlet. The control device may include a control valve adjustable between a circulating position and a fresh air position. The control valve may include at least one non-return check valve. The non-return check valve may permit a flow to pass through the control valve in one direction and block the flow in an opposite direction.
대표청구항▼
1. An air-conditioning system for air-conditioning an interior of a vehicle, comprising: a fan for driving air;a control device including a circulating air inlet for drawing in circulating air from the interior, a fresh air inlet for drawing in fresh air from an environment of the vehicle, and an ai
1. An air-conditioning system for air-conditioning an interior of a vehicle, comprising: a fan for driving air;a control device including a circulating air inlet for drawing in circulating air from the interior, a fresh air inlet for drawing in fresh air from an environment of the vehicle, and an air outlet for passing at least one of circulating air and fresh air drawn in to the fan;the control device further including an adjustable control valve, the control valve adjustable at least between a circulating air position, in which the control valve closes a fresh air path leading from the fresh air inlet to the air outlet and opens a circulating air path leading from the circulating air inlet to the air outlet, and a fresh air position, in which the control valve closes the circulating air path and opens the fresh air path;the control valve including at least one non-return check valve, the at least one non-return check valve in the fresh air position structured to permit a circulating air flow in a through-flow direction from the circulating air inlet through the control valve to the air outlet when the circulating air path is closed by the control valve and block the circulating air flow in an opposite direction;wherein the non-return check valve includes an at least partially elastic valve member arranged at least one of adjustably and movably on an inner side of the control valve facing towards the air outlet, the valve member cooperating with a passage opening defined in the control valve to open the passage opening in the through-flow direction and to block the passage opening in the opposite direction when the circulating air path is closed by the control valve in the fresh air position;wherein the valve member is configured and arranged to deform elastically when adjusting between a blocking position where the valve member blocks the passage opening, and an open position where the valve member opens the passage opening, and wherein the valve member is elastically deformed in the open position and elastically prestressed into the blocking position such that valve member is elastically prestressed in a direction of the blocking position when the valve member is in the open position;wherein the control valve is adjustable about a swivel axis and has a trough-shaped body, the trough-shaped body structured concave on the inner side of the control valve facing towards the air outlet; andwherein the trough-shaped body includes a plurality of flow guide ribs disposed on the inner side of the control valve and arranged spaced apart from one another in an axial direction of the swivel axis, the plurality of flow guide ribs projecting outwardly from the trough-shaped body in a transverse direction of the swivel axis and extending parallel to one another in a radial direction of the swivel axis to define grooves provided along the inner side of the trough-shaped body to facilitate flow alignment in the circulating air position and the fresh air position, the transverse direction running transversely to the axial direction and the radial direction. 2. The air-conditioning system according to claim 1, wherein the valve member of the non-return check valve is coupled to the trough-shaped body on the inner side of the control valve and cooperates with the passage opening to open the passage opening in the through-flow direction and to block the passage opening in the opposite direction when the circulating air path is closed by the valve body in the fresh air position. 3. The air-conditioning system according to claim 1, wherein the valve member is relaxed and elastically undeformed in the blocking position. 4. The air-conditioning system according to claim 1, wherein the valve member is secured to the control valve in a stationary region, wherein the valve member includes an elastic mobile region at least one of movable and adjustable relative to the control valve, and wherein the elastic mobile region is composed of a rubbery-elastic material. 5. The air-conditioning system according to claim 1, wherein the non-return check valve only opens relative to the circulating air inlet starting from a predetermined negative pressure in the fresh air path when the control valve is in the fresh air position. 6. The air-conditioning system according to claim 1, wherein the trough-shaped body has an outer side with a convex shape, the outer side disposed opposite the inner side of the control valve. 7. The air-conditioning system according to claim 1, wherein the control device further includes a control housing, the control housing defining the circulating air inlet, the fresh air inlet and the air outlet, and wherein the control valve is swivellably arranged in the control housing about the swivel axis. 8. The air-conditioning system according to claim 7, wherein the control valve has a peripheral sealing contour surrounding the trough-shaped body, wherein the sealing contour engages a counter sealing contour disposed on the control housing and the trough-shaped body closes the circulating air path in the fresh air position, and the sealing contour engages another counter sealing contour disposed on the control housing and the trough-shaped body closes the fresh air path in the circulating air position, and wherein the non-return valve is arranged on the trough-shaped body. 9. A control device for an air-conditioning system, comprising: a circulating air inlet, a fresh air inlet, and an air outlet;a fresh air path leading from the fresh air inlet to the air outlet;a circulating air path leading from the circulating air inlet to the air outlet;a control valve arranged between (i) the circulating air inlet and the fresh air inlet and (ii) the air outlet, the control valve adjustable about an axis between a circulating air position where the control valve closes the fresh air path and opens the circulating air path, and a fresh air position where the control valve closes the circulating air path and opens the fresh air path; andat least one non-return check valve arranged on the control valve, the at least one non-return check valve structured to permit a circulating air flow in a through-flow direction from the circulating air inlet through the control valve to the air outlet and block the circulating air flow in the opposite direction when the circulating air path is closed by the control valve in the fresh air position;the non-return check valve including an at least partially elastic valve member arranged at least one of adjustably and movably on an inner side of the control valve facing towards the air outlet, the valve member cooperating with a passage opening defined in the control valve to open the passage opening in the through-flow direction and to block the passage opening in the opposite direction when the circulating air path is closed by the control valve in the fresh air position;wherein the control valve has a trough-shaped body provided by a concave contour on the inner side of the control valve disposed between outer side walls, the valve member of the non-return check valve coupled to the trough-shaped body on the inner side of the control valve; andwherein the control valve includes a plurality of flow guide ribs disposed on the trough-shaped body, the plurality of flow guide ribs arranged on the inner side of the control valve spaced apart from one another in an axial direction of the axis and extending parallel to one another in a radial direction of the axis along the concave contour on the inner side of the control valve, and wherein the plurality of flow guide ribs project outwardly from the trough-shaped body in a transverse direction of the axis and define grooves provided along the inner side of the trough-shaped body to facilitate flow alignment in the circulating air position and the fresh air position, the transverse direction running transversely to the axial direction and the radial direction. 10. The control device according to claim 9, wherein the valve member is secured to the control valve in a stationary region, wherein the valve member includes an elastic mobile region that is at least one of movable and adjustable relative to the control valve. 11. The control device according to claim 9, wherein the non-return check valve is operable to open relative to the circulating air inlet in response to exceeding a predetermined negative pressure in the fresh air path. 12. The control device according to claim 9, further comprising a control housing defining the circulating air inlet, the fresh air inlet and the air outlet; wherein the control valve further includes a peripheral sealing contour surrounding the trough-shaped body, wherein the sealing contour engages a counter sealing contour disposed on the control housing and the trough-shaped body closes the circulating air path in the fresh air position of the control valve, and the sealing contour engages another counter sealing contour disposed on the control housing and the trough-shaped body closes the fresh air path in the circulating air position of the control valve. 13. A control device for an air-conditioning system, comprising: a control housing including a fresh air inlet, a circulating air inlet, and an air outlet;a fresh air path for communicating fresh air extending in the control housing from the fresh air inlet to the air outlet;a circulating air path for communicating circulating air extending in the control housing from the circulating air inlet to the air outlet;a control valve having a valve body arranged to swivel in the control housing about a swivel axis, the valve body adjustable at least between a circulating position where the valve body closes the fresh air path and opens the circulating air path, and a fresh air position where the valve body closes the circulating air path and opens the fresh air path, the control valve provided with a passage opening defined in the valve body and including at least one peripheral sealing contour surrounding the valve body, wherein the at least one peripheral sealing contour engages a counter sealing contour disposed on the control housing in the circulating position to close the fresh air inlet and engages another counter sealing contour disposed on the control housing in the fresh air position to close the circulating air inlet;at least one non-return check valve including a valve member cooperating with the passage opening, the valve member secured to the valve body on an inner side of the control valve facing towards the air outlet, the valve member including an elastic mobile region at least one of movable and adjustable relative to the control valve;wherein the valve member is movable to open the passage opening to a circulating air flow in a through-flow direction through the valve body from the circulating air inlet to the air outlet and block the passage opening to stop the circulating air flow in an opposite direction when the circulating air path is closed by the valve body in the fresh air position; andwherein the valve body has a trough-shaped structure defining a concave contour on the inner side of the control valve, the valve body further including a plurality of flow guide ribs extending in a radial direction of the swivel axis along the concave contour on the inner side and surrounded by the at least one peripheral sealing contour, the plurality of flow guide ribs disposed spaced apart from one another in an axial direction of the swivel axis, extend parallel to one another in the radial direction, and project outwardly from the inner side in a transverse direction of the swivel axis, the transverse direction running transversely to the axial direction and the radial direction, and wherein the plurality of flow guide ribs define grooves provided along the concave contour on the inner side to facilitate flow alignment in the circulating position and the fresh air position. 14. The control device according to claim 13, wherein the valve member is configured and arranged to deform elastically when adjusting between a blocking position where the valve member blocks the passage opening, and an open position where the valve member opens the passage opening, and wherein the valve member is elastically deformed in the open position and elastically prestressed into the blocking position such that valve member is elastically prestressed in a direction of the blocking position when the valve member is in the open position.
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이 특허에 인용된 특허 (4)
Jeong, Chunshik; Lee, Daewoong; Kim, Minsoo; Kim, Jongsu, Blower for vehicle.
Didier Loup FR; Michel Auvity FR; Jean-Yves Queinnec FR; Philippe Vincent FR, Motor vehicle heating and/or air conditioning device with improved air mixing.
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