The invention relates to an air nozzle for conducting an air flow from an air feed shaft or an air feed duct in a heating, a ventilating or an air-conditioning installation, particularly for passenger compartments in motor vehicles, consisting of a hollow-cylindrical housing with a front air outflow
The invention relates to an air nozzle for conducting an air flow from an air feed shaft or an air feed duct in a heating, a ventilating or an air-conditioning installation, particularly for passenger compartments in motor vehicles, consisting of a hollow-cylindrical housing with a front air outflow opening and a rear air inflow opening as well as an insert, which is mounted in the housing and by which the direction and/or the intensity of the of the air flow issuing from the air nozzle is or are variable. For improved mounting and easier assembly the insert has an outer surface which is spherical at least in sections and is supported at the inner surface of the housing by way of at least two bearing points of matching contour, wherein a spring element is associated with at least one bearing point.
대표청구항▼
1. Air nozzle for conducting an air flow from an air feed shaft or an air feed duct in a heating installation, a ventilating installation, or an air-conditioning installation, the air nozzle comprising a hollow-cylindrical housing with a front air outflow opening and a rear air inflow opening,an ins
1. Air nozzle for conducting an air flow from an air feed shaft or an air feed duct in a heating installation, a ventilating installation, or an air-conditioning installation, the air nozzle comprising a hollow-cylindrical housing with a front air outflow opening and a rear air inflow opening,an insert mounted in the housing and having an outer surface spherical at least in spherical sections of the outer surface, andat least three bearing points supporting the insert, the at least three bearing points having respective bearing surfaces having a contour matching the spherical sections of the outer surface of the insert, the direction and/or intensity of the air flow issuing from the air nozzle being variable by the insert,wherein the at least three bearing points are directly arranged at the inner surface of the housing to protrude and are formed to be oriented radially with respect to the insert and have a rib-shaped profile,wherein at least one bearing point of the at least three bearing points comprises a pivotably or slidably mounted bearing wall with a bearing surface behind which a spring element engages, the spring element being supported at the inner surface of the housing,wherein the at least one bearing point further comprises a first rib and a second rib,wherein the pivotably or slidably mounted bearing wall is connected to the first rib and to the second rib,wherein the spring element is disposed between the first rib and the second rib, andwherein the pivotably or slidably mounted bearing wall is mounted so as to slide or pivot past the first rib and past the second rib due to a spring pressure of the spring element so that the pivotably or slidably mounted bearing wall bears against the outer surface of the insert. 2. Air nozzle according to claim 1, wherein the bearing surface element is tongue-shaped and made of plastic material. 3. Air nozzle according to claim 1, wherein the spring element is suspended in relation to the pivotably or slidably mounted bearing wall. 4. Air nozzle according to claim 1, wherein the spring element is formed as a compression spring. 5. Air nozzle according to claim 1, wherein the at least three bearing points are arranged in the interior space of the housing and are formed to be oriented axially with respect to the center longitudinal axis of the housing. 6. Air nozzle according to claim 5, wherein respective part-spherical, mutually congruent sections are formed at the housing and the insert or wherein the insert has at its outer surface a circularly annular section with a spherical surface. 7. Air nozzle according to claim 6, wherein the spring element is arranged in the transition region of the part-spherical sections of the housing and insert. 8. Air nozzle according to claim 1, wherein the insert has at its outer surface a spherical surface having a size approximately corresponding with three-quarters of a sphere. 9. Air nozzle according to claim 1, wherein the insert has a cylindrical collar at its end section directed towards the air outflow opening and/or towards the air inflow opening. 10. Air nozzle according to claim 1, wherein the insert has a plurality of separate flow channels each extending in the longitudinal direction of the insert. 11. Air nozzle according to claim 1, wherein the insert has a flow channel running spirally around its longitudinal axis.
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이 특허에 인용된 특허 (16)
Meyer Ernst (Oberursel ; Taunus DT) Burghoff Karl (Oberursel ; Taunus DT), Adjustable air outlet nozzle for automobile heating and venting systems.
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