Burner and vehicle heater
    1.
    发明授权

    公开(公告)号:US11052729B2

    公开(公告)日:2021-07-06

    申请号:US16317611

    申请日:2017-07-18

    Applicant: Webasto SE

    Abstract: A burner (10), particularly for vehicle heaters, includes a flexible panel (12) that separates an inner combustion region (14) from an outer region (16). A light-sensitive sensor for flame recognition is arranged in the outer region (16), and the flexible panel (12) includes at least one light opening (20) that allows the passage of light from the inner combustion region (14) into the outer region (16). The light opening (20) also allows the passage of combustion air from the outer region (16) into the inner combustion region (14).

    Evaporator burner for a mobile heating unit operated using liquid fuel

    公开(公告)号:US10234136B2

    公开(公告)日:2019-03-19

    申请号:US15127330

    申请日:2015-03-11

    Applicant: WEBASTO SE

    Abstract: An evaporator burner (100) for a mobile heating unit which is operated using liquid fuel is provided, said evaporator burner having: a mixture preparation region (2) for the mixing of fuel with combustion air to form a fuel-air mixture; a fuel feed (1) for feeding liquid fuel to the mixture preparation region (2); a combustion air feed (B) for feeding combustion air to the mixture preparation region (2); at least one evaporation surface (8) to which the liquid fuel is fed and which serves for the evaporation of the liquid fuel; a conversion region (3), positioned downstream of the mixture preparation region (2) 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 (10; 210) for the recirculation of combustion exhaust gases (A) into the mixture preparation region (2).

    Mobile heating unit operated by means of liquid fuel

    公开(公告)号:US09970653B2

    公开(公告)日:2018-05-15

    申请号:US14379932

    申请日:2013-02-22

    Applicant: WEBASTO SE

    Abstract: A mobile heating device operated with liquid fuel is provided, having: a combustion chamber (2) comprising a combustion air inlet (3), wherein the combustion chamber (2) adjacent to the combustion air inlet (3) comprises a widening portion (20) the cross-section of which widens with increasing distance from the combustion air inlet (3) 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 (20); and an air guide device (6) being adapted to feed combustion air into the widening portion (20) with a flow component directed in the circumferential direction such that an axial recirculation region forms in the widening portion (20) in which gases flow in the direction towards the combustion air inlet (3) oppositely to a main flow direction (H).

    BURNER ARRANGEMENT FOR HEATER
    4.
    发明申请
    BURNER ARRANGEMENT FOR HEATER 审中-公开
    燃烧器装置加热器

    公开(公告)号:US20160169505A1

    公开(公告)日:2016-06-16

    申请号:US14907796

    申请日:2014-07-03

    Applicant: WEBASTO SE

    Abstract: A burner arrangement (1), for a mobile heater operated with liquid fuel, is provided; having a combustion chamber (2) for converting fuel with combustion air in a flaming combustion, which combustion chamber (2) extends along a longitudinal axis (Z) in a main flow direction (H); a pre-mixing chamber (3), which is arranged fluidicly upstream of the combustion chamber (2), for generating a fuel-combustion air-mixture, which pre-mixing chamber (3) comprises a side wall (4); a fuel evaporation surface (O) arranged in the pre-mixing chamber; a fuel supply (10) for supplying liquid fuel; and a first combustion air supply (6) having a swirl body (7) for supplying a combustion air flow into the pre-mixing chamber (3) with a swirl such that the combustion air is guided along the fuel evaporation surface (O) with a tangential flow component. A neck portion (5) is formed at a transition from the pre-mixing chamber (3) to the combustion chamber (2) at which the flow cross-section abruptly widens in the main flow direction (H).

    Abstract translation: 提供了一种用于用液体燃料操作的移动式加热器的燃烧器装置(1) 具有燃烧室(2),用于在燃烧室内(2)沿着主流动方向(H)沿纵向轴线(Z)延伸的燃烧空气燃烧燃烧燃烧。 预混合室(3),其被布置在所述燃烧室(2)的流体上游,用于产生燃料燃烧空气混合物,所述预混合室(3)包括侧壁(4); 设置在预混合室中的燃料蒸发表面(O); 用于供应液体燃料的燃料供应装置(10) 以及具有涡流体(7)的第一燃烧空气供应装置(6),用于以涡流将燃烧空气流供应到预混合室(3)中,使得燃烧空气沿燃料蒸发表面(O)被引导, 切向流分量。 颈部(5)在从预混合室(3)到燃烧室(2)的过渡处形成,在该过程中流动横截面在主流动方向(H)处突然变宽。

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

    公开(公告)号:US12246581B2

    公开(公告)日:2025-03-11

    申请号:US17788580

    申请日:2020-12-02

    Applicant: Webasto SE

    Abstract: 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 INSERT, FASTENING ELEMENT, FLOW-DIRECTING SYSTEM, AND HEATING DEVICE

    公开(公告)号:US20240308297A1

    公开(公告)日:2024-09-19

    申请号:US18268452

    申请日:2021-12-17

    Applicant: Webasto SE

    CPC classification number: B60H1/2212 B60H2001/2271 B60H2001/2281

    Abstract: A flow-directing insert for a heating device having an evaporator burner, wherein: the evaporator burner has a fan chamber or combustion air pre-chamber, an evaporator holder and a combustion chamber, the evaporator holder has a base wall and a circumferential wall with at least two combustion air passage openings to direct combustion air from the fan chamber or combustion air pre-chamber initially along an exterior of the evaporator holder through the combustion air passage openings into the combustion chamber, the flow-directing insert comprises at least a first region for positioning over at least one of the combustion air passage openings and a second region for fixing in the fan chamber or combustion air pre-chamber of the evaporator burner, the first region being in the shape of a tongue.

    Burner with improved orifice plate

    公开(公告)号:US11365881B2

    公开(公告)日:2022-06-21

    申请号:US16489230

    申请日:2018-03-06

    Applicant: Webasto SE

    Abstract: Burner (10), in particular for a vehicle heater (12), having an orifice plate (14) separating an inner combustion region (16) from an outer region (18), wherein a photosensitive sensor (20) is arranged in the outer region (18), wherein at least two separate air inlet openings (22, 24, 26, 28) are being provided in the orifice plate (14), wherein one of the at least two air inlet openings (22, 24, 26, 28) is additionally formed as a light opening (28) which also allows light to pass from the inner combustion region (16) to the photosensitive sensor (20) that is arranged in the outer region (18), wherein the at least two air inlet openings (22, 24, 26, 28) are being shaped such that the same combustion air quantities flow into the internal combustion region (16) per unit time, respectively, and wherein the orifice plate (14) is transparent and/or the light opening (28) has a shape different from the air inlet openings (22, 24, 26) that are not formed as light opening such that an illumination area defined by the light opening (28) is larger than a reference illumination area defined by one of the at least two air inlet openings (22, 24, 26) that are not formed as light opening (28).

    Mobile heating device operated with liquid fuel

    公开(公告)号:US09759448B2

    公开(公告)日:2017-09-12

    申请号:US14379970

    申请日:2013-02-22

    Applicant: WEBASTO SE

    Abstract: A mobile heating device operated with liquid fuel is provided, having: a combustion chamber (2) comprising a combustion air inlet (3), wherein the combustion chamber adjacent to the combustion air inlet (3) comprises a widening portion (20) the cross-section of which widens with increasing distance from the combustion air inlet (3) 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 (20); and an air guide device (6) being adapted to feed combustion air into the widening portion (20) with a flow component directed in the circumferential direction such that an axial recirculation region (RB) forms in the widening portion (20) in which gases flow in the direction towards the combustion air inlet (3) oppositely to a main flow direction (H). The combustion chamber (2) is fluidically sectioned into a primary combustion zone (PZ) and a secondary combustion zone (SZ). The primary combustion zone (PZ) comprises the widening portion (20) and the recirculation region (RB). The secondary combustion zone (SZ) is provided with a secondary combustion air inlet (23) in such a manner that a higher air-fuel ratio λ than in the primary combustion zone (PZ) forms in the secondary combustion zone (SZ).

    MOBILE HEATING DEVICE OPERATED WITH LIQUID FUEL
    10.
    发明申请
    MOBILE HEATING DEVICE OPERATED WITH LIQUID FUEL 有权
    手动加热装置与液体燃料一起操作

    公开(公告)号:US20150040885A1

    公开(公告)日:2015-02-12

    申请号:US14379970

    申请日:2013-02-22

    Applicant: WEBASTO SE

    Abstract: A mobile heating device operated with liquid fuel is provided, having: a combustion chamber (2) comprising a combustion air inlet (3), wherein the combustion chamber adjacent to the combustion air inlet (3) comprises a widening portion (20) the cross-section of which widens with increasing distance from the combustion air inlet (3) 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 (20); and an air guide device (6) being adapted to feed combustion air into the widening portion (20) with a flow component directed in the circumferential direction such that an axial recirculation region (RB) forms in the widening portion (20) in which gases flow in the direction towards the combustion air inlet (3) oppositely to a main flow direction (H). The combustion chamber (2) is fluidically sectioned into a primary combustion zone (PZ) and a secondary combustion zone (SZ). The primary combustion zone (PZ) comprises the widening portion (20) and the recirculation region (RB). The secondary combustion zone (SZ) is provided with a secondary combustion air inlet (23) in such a manner that a higher air-fuel ratio λ than in the primary combustion zone (PZ) forms in the secondary combustion zone (SZ).

    Abstract translation: 提供了一种用液体燃料操作的移动加热装置,其具有:包括燃烧空气入口(3)的燃烧室(2),其中与燃烧空气入口(3)相邻的燃烧室包括加宽部分(20) 随着与燃烧空气入口(3)的距离增加,其中的燃烧空气和燃料在燃烧燃烧中转化; 燃料供给,其被配置为使得燃料供给到所述加宽部(20)中; 以及空气引导装置(6),其适于将燃烧空气以沿圆周方向指向的流动分量输送到所述加宽部分(20)中,使得在所述加宽部分(20)中形成轴向再循环区域(RB),在所述加宽部分 沿着与主流动方向(H)相反的朝向燃烧空气入口(3)的方向流动。 燃烧室(2)被流体地分段成初级燃烧区(PZ)和二次燃烧区(SZ)。 主燃烧区(PZ)包括加宽部分(20)和再循环区域(RB)。 二次燃烧区域(SZ)设置有二次燃烧空气入口(23),使得在二次燃烧区域(SZ)中形成比在一次燃烧区域(PZ)中更高的空燃比λ。

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