Eberspacher Climate Control Systems Gmbh & Co. Kg

J. Eberspacher Gmbh & Co Kg

Eberspacher Climate Control Systems Gmbh

J. Eberspächer Gmbh & Co.

Andreas Collmer

Hans Jensen

Michael Haefner

Patric Schlecht

Uwe Grotstollen

Walter Blaschke

Andreas Alber

Thorsten Findeis

Andreas Wetzl

Jürgen Wagner

Lars Bendix

Marcus Heim

Oliver Roppelt

Axel Kouril

Andreas Kaupert

Wolfgang Pfister

Günter Eberspach

Hermann Eppler

Bruno Lindl

Jörg Zweckbronner

Thomas Rose

Robert Apfelbeck

Oliver Sauter

Christoph Köberle

Frank Rudolf

Dieter Heybach

Thomas Panterott

Stefan Bächner

Günter Gerlach

Frank Barthel

Tobias Knies

A process for manufacturing a cast metal heat exchanger housing () for a vehicle heater having a pot-shape housing wall () extending in a direction of a housing longitudinal axis (L) and having a plurality of heat transfer ribs () extending on an outer side of the housing wall () in the area of a circumferential wall () and in the area of a bottom wall () of the housing wall () in the direction of the housing longitudinal axis (L). The process includes metal casting wherein a sprue cross-sectional area including at least some of the heat transfer ribs (). The cast metal heat exchanger housing has an axial end face formed upon cutting off metallic material that is essentially at right angles to the housing longitudinal axis and extends into an area of at least some of the heat transfer ribs.

Process for manufacturing a cast metal heat exchanger housing for a vehicle heater

A vehicle heater includes a heater housing () elongated in a direction of a housing longitudinal axis (L). A housing circumferential wall () defines a combustion air flow space (). A combustion chamber assembly unit () is carried on the heater housing and has a combustion chamber () receiving combustion air from the combustion air flow space. A combustion air blower (), with a combustion air blower housing (), is carried on the heater housing. A combustion air inlet opening (), in the combustion air blower housing, provides the inlet for combustion air into the combustion air blower. A combustion air connection unit (), carried on the heater housing, has a combustion air passage duct () open outwardly in a first duct opening area () for receiving combustion air. The combustion air passage duct is open towards the combustion air inlet opening in a second duct opening area ().

Vehicle heater

A vehicle heater includes a burner area, a circumferential wall providing a combustion chamber, a flame tube with a first end forming or adjacent to a part of the combustion chamber circumferential wall and a second flame tube end. A heat exchanger housing has a circumferential wall enclosing the flame tube. A waste gas backflow space is formed, between an outer side of the flame tube and an inner side of the heat exchanger housing circumferential wall, with an inlet area at the second flame tube end and with an outlet area in the area of the first flame tube end. An inner dimension of the circumferential wall increases in the direction from an inlet area of the waste gas backflow space to an outlet area. An outer dimension of the flame tube increases in the direction from the second flame tube end to the first flame tube end.

A flow restrictor element, especially for restricting the air flow in an air duct system of a vehicle, comprises a ring-shaped restrictor element carrier () to be arranged on a flow guide duct as well as at least one restrictor element (). The at least one restrictor element () is arranged within the restrictor element carrier (), radially inwardly in relation to a central axis (M) of the flow restrictor element () and is detachable from the restrictor element carrier () for changing a restriction cross-sectional area, wherein a locking device () is provided on an outer circumferential area () of the restrictor element carrier () for locking the restrictor element carrier () on a flow guide duct.

Flow restrictor element, especially for restricting air flow in an air duct system of a vehicle

A vehicle heater includes a combustion chamber assembly unit () to be fed with fuel and combustion air, a housing () with a circumferential wall () defining a combustion air flow space (), a combustion air blower () adjoining an end face () of the circumferential wall () of the housing () in the direction of a housing longitudinal axis (L), a fuel feed line and a sealing formation with a first sealing formation area arranged between the end face () of the circumferential wall () and the blower housing (). A second sealing formation area () is positioned to mesh with a fuel feed line passage opening () for establishing a closure between the circumferential wall () and the fuel feed line (). The sealing formation () includes a sealing element () providing the first sealing formation area () and the second sealing formation area ().

A vehicle heater combustion chamber assembly includes a housing area () with an ignition element mount () supporting an ignition element () and another housing area () defining a fluid flow space () with an access opening (). The ignition element or/and an electric ignition element line () is moveable through the access opening. An elastically deformable closing element () closes the access opening and includes a meshing area (), interacting with a housing area wall () surrounding the ignition element access opening and including an inner meshing area supported relative to an inner surface of the wall, which faces the fluid flow space. The closing element includes a closing element bottom () with an outer bottom surface () oriented outwardly, in the direction away from the fluid flow space. The outer bottom surface is offset in a direction of a closing element longitudinal axis towards the fluid flow space.

Combustion chamber assembly

A vehicle heater includes a heat exchanger assembly unit () and a blower assembly unit (). The heat exchanger assembly unit () has a first sealing surface () and the blower assembly unit () includes a second sealing surface (), which is positioned opposite the first sealing surface () at a predefined location determined by the spacer arrangement (). A sealing element () is clamped in between the first sealing surface () and the second sealing surface ().

A combustion air inflow path, for a vehicle heater, includes a bottom area () and an outer circumferential wall () adjoining the bottom area () and extending essentially in the direction of a central longitudinal axis (L) of the inflow element (). An inner circumferential wall () is arranged at a radially spaced location from the outer circumferential wall () and defines a space area () with same. An inflow opening arrangement () is provided for the inflow of air into the inflow element (). The inflow opening arrangement () is provided in the bottom area () and is designed to generate a turbulent flow.

Inflow element, especially for a combustion air flow path in a vehicle heater

A heat exchanger assembly for a vehicle heating device includes inner heat exchanger housing () and outer heat exchanger housing (). A fluid flow space () is formed between the inner heat exchanger housing and the outer heat exchanger housing. Flow guiding formations (), along circumferential walls () of the housings, divide a portion of the fluid flow space into a first partial flow space () and a second partial flow space (). A fluid inlet opening () opens to the first partial flow space and at least one fluid outlet opening () opens to the second partial flow space (). A press fit formation () fixes the inner heat exchanger housing in relation to the outer heat exchanger housing and includes the first flow guiding formation and the second flow guiding formation and/or the press fit formation is in an end region () of the circumferential walls.

Heat exchanger arrangement

A vehicle heater heat exchanger arrangement () includes: a pot-like heat exchanger housing () with a first bottom wall () in a first axial end area () and with a first circumferential wall () adjoining the first bottom wall and enclosing a longitudinal axis (L); and a pot-like outer heat exchanger housing () with a second bottom wall () in the first axial end area and with a second circumferential wall () adjoining the second bottom wall and enclosing the longitudinal axis. The inner heat exchanger housing and the outer heat exchanger housing are connected to one another in a second axial end area () and a fluid flow space () is formed between the inner heat exchanger housing and the outer heat exchanger housing. The second axial end area has an outwardly open recess () defined by the inner heat exchanger housing or/and by the outer heat exchanger housing.

Heat exchanger arrangement, especially for a vehicle heater

A combustion chamber assembly unit, especially for a vaporizing burner and particularly especially for a vehicle heater, includes at least two combustion chamber elements () with wall areas (). The at least two combustion chamber elements are arranged in a radially staggered pattern in relation to a longitudinal axis (L) of the combustion chamber and are fixed to one another by laser welding.

Combustion chamber assembly unit for a vaporizing burner

A vaporizing burner combustion chamber assembly unit, especially for a vehicle heater, includes a bottom part () with a bottom wall () and with a first circumferential wall () and a porous evaporator medium () at least partially covering a front side of the bottom wall, which is to face a combustion chamber (). A ring-shaped holding part has a second circumferential wall () and a contact area () touching the porous evaporator medium. The first circumferential wall extends, from an outer edge area () of the bottom wall essentially in a longitudinal axis (L) direction of a bottom assembly unit (), on a rear side of the first bottom wall facing away from a combustion chamber, in the direction away from the porous evaporator medium. The second circumferential wall extends at least partially over the first circumferential wall on its outer side and is fixed to same.

Bottom assembly unit for a combustion chamber assembly unit of a vaporizing burner

A vehicle heater includes a first housing arrangement (), a second housing arrangement () connected with the first housing arrangement () in an adjoining area (), and at least one sensor () with a holding area (). The holding area () is held in the adjoining area () in a support path between the first housing arrangement () and the second housing arrangement ().

A side channel blower for a vehicle heater includes a blower housing area () with a delivery channel (), which extends in a ring-shaped pattern around a central axis (A) and is open on an axial side (). A motor housing area () integral with the blower housing area () accommodates an electric drive motor () with a drive shaft (). A first delivery wheel covers the delivery channel on a first axial side of the blower housing area and is carried at a first end of the drive shaft. A control device housing area is integral with the blower housing area or/and the motor housing area and is provided with a circumferential wall and with a bottom wall and with an opening located opposite the bottom wall. A partial area of the bottom wall of the control device housing area is formed by the motor housing area.

Side channel blower for a vehicle heater

A vehicle heater includes a burner arrangement () with a flame tube (), a heat exchanger housing () with a circumferential wall (), which surrounds the flame tube and thus defines a waste gas backflow space () and has a waste gas outlet () from the waste gas backflow space. A flow cross section provided between the flame tube and the circumferential wall in a first axial area () of the waste gas backflow space is smaller in an outlet area () than in an opposite area () located opposite the outlet and the flow cross section in the outlet area increases in an expansion area following the first axial area. The flow cross section in a second axial area () following the expansion area (), corresponds essentially to the flow cross section in the opposite area and/or the flow cross section has a stepped increase in the expansion area.

Growing community of inventors

Aichwald, Germany

Andreas Collmer