Webasto Se

Vitali Dell

Klaus Moesl

Volodymyr Ilchenko

Stefan Sommerer

Thomas Kerscher

Klaus Mösl

Bengt Meier

Andreas Rutsche

Martin Zoske

Paul Leinsle

Matthias Pfau

Peter Neidenberger

Björn Smigiel

Christian Schweyer

Michael Poehner

Thorsten Pannwitz

Marcus Gowitzke

Jan Steffens

Darko Jozinovic

Andreas Winter

Verena Arends

A flow-directing element for a heating apparatus, in particular a heating apparatus with an evaporator burner, having a body which comprises a laterally arranged inflow region on an underside of the flow-directing element, having a centrally arranged outflow region, which includes a through-passage from an underside of the flow-directing element to an upper side of the flow-directing element, the upper side being located opposite the underside, and having at least one guide element, which is arranged such that it allows flow to be guided from the inflow region to the outflow region.

Flow-directing element, flow-directing system and heating apparatus

An evaporator subassembly for mobile heating devices, in particular for a motor vehicle, having the following: an evaporator, an evaporator receptacle which is constructed to receive the evaporator, a glow plug and a combustion chamber, wherein the glow plug extends or is constructed to be extensible obliquely relative to a main surface of the evaporator into the combustion chamber.

Evaporator assembly for mobile heating devices

Burner (), in particular for a vehicle heater (), having an orifice plate () separating an inner combustion region () from an outer region (), wherein a photosensitive sensor () is arranged in the outer region (), wherein at least two separate air inlet openings () are being provided in the orifice plate (), wherein one of the at least two air inlet openings () is additionally formed as a light opening () which also allows light to pass from the inner combustion region () to the photosensitive sensor () that is arranged in the outer region (), wherein the at least two air inlet openings () are being shaped such that the same combustion air quantities flow into the internal combustion region () per unit time, respectively, and wherein the orifice plate () is transparent and/or the light opening () has a shape different from the air inlet openings () that are not formed as light opening such that an illumination area defined by the light opening () is larger than a reference illumination area defined by one of the at least two air inlet openings () that are not formed as light opening ().

Burner with improved orifice plate

An evaporator assembly (), in particular for a fuel-operated vehicle heater (), comprising a pot-like evaporator reception (), an evaporator body () inserted into the pot-like evaporator reception (), a plate-like designed hold-down element (), which is fixed to the evaporator reception () and fixes the evaporator body () in the evaporator reception (), and wherein the plate-like designed hold-down element () has at least one retaining claw (), which has an upper part () on an upper side () of the plate-like designed hold-down element () and a lower part () on a lower side () of the plate-like designed hold-down element (), wherein the upper part () and the lower part () point away from the plate-like designed hold-down element ().

Evaporator unit for a fuel-operated vehicle heater

A method to operate a fuel-operated vehicle heater comprising the lowering of a combustion air ratio &#x3bb; between supplied combustion air and supplied fuel to a combustion chamber of the fuel-operated vehicle heater from a starting value &#x3bb;&#x3e;1 to a range &#x3bb;&#x3c;&#x3bb;for a time period &#x394;t.

Fuel-operated vehicle heating device and method to operating a fuel-operated vehicle heating device

A burner (), particularly for vehicle heaters, includes a flexible panel () that separates an inner combustion region () from an outer region (). A light-sensitive sensor for flame recognition is arranged in the outer region (), and the flexible panel () includes at least one light opening () that allows the passage of light from the inner combustion region () into the outer region (). The light opening () also allows the passage of combustion air from the outer region () into the inner combustion region ().

Burner and vehicle heater

A burner arrangement (), for a mobile heater operated with liquid fuel, is provided; having a combustion chamber () for converting fuel with combustion air in a flaming combustion, which combustion chamber () extends along a longitudinal axis (Z) in a main flow direction (H); a pre-mixing chamber (), which is arranged fluidicly upstream of the combustion chamber (), for generating a fuel-combustion air-mixture, which pre-mixing chamber () comprises a side wall (); a fuel evaporation surface (O) arranged in the pre-mixing chamber; a fuel supply () for supplying liquid fuel; and a first combustion air supply () having a swirl body () for supplying a combustion air flow into the pre-mixing chamber () with a swirl such that the combustion air is guided along the fuel evaporation surface (O) with a tangential flow component. A neck portion () is formed at a transition from the pre-mixing chamber () to the combustion chamber () at which the flow cross-section abruptly widens in the main flow direction (H).

Burner arrangement for heater

The invention relates to an evaporator burner () for a mobile heating device operated with liquid fuel, comprising: a mixture-preparing region () for mixing fuel with combustion air to form an air-fuel mixture, a fuel supply () for supplying liquid fuel to the mixture-preparing region (), a combustion-air supply (B) for supplying combustion air to the mixture-preparing region (), a reaction region () arranged downstream of the mixture-preparing region () for reacting the air-fuel mixture, heat thus being released, and an evaporator body () for evaporating the liquid fuel, which evaporator body extends in an axial direction in the mixture-preparing region () at a distance from a side wall and has an outer peripheral surface designed as a fuel-evaporating surface, which outer peripheral surface is arranged in such a way that the supplied combustion air flows around the outer peripheral surface.

Evaporator burner for a mobile heating device operated with liquid fuel

An evaporator burner arrangement () for a mobile heater operated with liquid fuel having: a mixture preparation region () for generating a fuel-air-mixture, a fuel evaporation surface () arranged in the mixture preparation region () for evaporating the liquid fuel, a combustion air supply (B) for supplying combustion air to the mixture preparation region (), a fuel supply () for supplying liquid fuel to the fuel evaporation surface (), a conversion region () being arranged fluidically downstream of the mixture preparation region () for converting the fuel-air mixture in order to release heat, and a heat conductor body () extending spaced from a sidewall () of the mixture preparation region () through the mixture preparation region () to the conversion region () for feeding-back heat from the conversion region () to the mixture preparation region () by thermal conductance

Evaporator burner arrangement for a mobile heater operated with liquid fuel

An evaporator burner () for a mobile heating unit which is operated using liquid fuel is provided, said evaporator burner having: a mixture preparation region () for the mixing of fuel with combustion air to form a fuel-air mixture; a fuel feed () for feeding liquid fuel to the mixture preparation region (); a combustion air feed (B) for feeding combustion air to the mixture preparation region (); at least one evaporation surface () to which the liquid fuel is fed and which serves for the evaporation of the liquid fuel; a conversion region (), positioned downstream of the mixture preparation region () in terms of flow, for the conversion of the fuel-air mixture into combustion exhaust gases (A) with a release of heat; and an exhaust-gas recirculation means () for the recirculation of combustion exhaust gases (A) into the mixture preparation region ().

Evaporator burner for a mobile heating unit operated using liquid fuel

The invention relates to an evaporator burner () for a mobile heating device, comprising: a combustion chamber (), a fuel feed line () for feeding liquid fuel, and an evaporator for evaporating fed fuel. The evaporator has a support body () made of a nonporous material, comprising a fuel preparation surface () which faces the combustion chamber () and which comes into contact with the liquid fuel. A surface structuring () with a plurality of depressions () and elevations () is introduced into the fuel preparation surface () and/or into a support body () rear face () facing away from the fuel preparation surface.

Evaporator burner

A mobile heating device operated with liquid fuel is provided, having: a combustion chamber () comprising a combustion air inlet (), wherein the combustion chamber () adjacent to the combustion air inlet () comprises a widening portion () the cross-section of which widens with increasing distance from the combustion air inlet () and in which in operation combustion air and fuel are converted in a flaming combustion; a fuel supply which is arranged such that fuel is supplied into the widening portion (); and an air guide device () being adapted to feed combustion air into the widening portion () with a flow component directed in the circumferential direction such that an axial recirculation region forms in the widening portion () in which gases flow in the direction towards the combustion air inlet () oppositely to a main flow direction (H).

Mobile heating unit operated by means of liquid fuel

An evaporator burner for a mobile heating device is provided having a combustion chamber, an evaporator accommodation, and an evaporator element for evaporation of liquid fuel. The evaporator element is accommodated in the evaporator accommodation at the side facing the combustion chamber. At the side of the evaporator accommodation facing away from the combustion chamber, the evaporator burner comprises at least one combustion air guide element which is arranged such that a combustion air flow path extending at least along a portion of a base wall of the evaporator accommodation is formed between the combustion air guide element and the base wall of the evaporator accommodation.

Evaporator burner for a mobile heating device

A mobile heating device operated with liquid fuel is provided, having: a combustion chamber () comprising a combustion air inlet (), wherein the combustion chamber adjacent to the combustion air inlet () comprises a widening portion () the cross-section of which widens with increasing distance from the combustion air inlet () and in which in operation combustion air and fuel are converted in a flaming combustion; a fuel supply which is arranged such that fuel is supplied into the widening portion (); and an air guide device () being adapted to feed combustion air into the widening portion () with a flow component directed in the circumferential direction such that an axial recirculation region (RB) forms in the widening portion () in which gases flow in the direction towards the combustion air inlet () oppositely to a main flow direction (H). The combustion chamber () is fluidically sectioned into a primary combustion zone (PZ) and a secondary combustion zone (SZ). The primary combustion zone (PZ) comprises the widening portion () and the recirculation region (RB). The secondary combustion zone (SZ) is provided with a secondary combustion air inlet () in such a manner that a higher air-fuel ratio &#x3bb; than in the primary combustion zone (PZ) forms in the secondary combustion zone (SZ).

Growing community of inventors

Stockdorf, Germany

Vitali Dell