A delivery unit (4) has a compensating baffle pot (5) provided with a fuel pump (6) arranged therein and a jet sucking pump (8) for conveying a liquid to the baffle pot (5). The jet sucking pump (8) has a propulsion jet nozzle (13) provided with an opening, a mixing pipe (14), a suction opening with
A delivery unit (4) has a compensating baffle pot (5) provided with a fuel pump (6) arranged therein and a jet sucking pump (8) for conveying a liquid to the baffle pot (5). The jet sucking pump (8) has a propulsion jet nozzle (13) provided with an opening, a mixing pipe (14), a suction opening with a suction line (11) and a deflecting element (16) located downstream of the mixing pipe (14).
대표청구항▼
1. A delivery unit comprising a baffle pot, oh/r| pump arranged in the baffle pot and a jet suction pump delivering into the baffle pot, the jet suction pump comprising: a propulsion jet nozzle with a nozzle opening,a mixing pipe having an outlet,a suction opening,a suction line connected thereto,wh
1. A delivery unit comprising a baffle pot, oh/r| pump arranged in the baffle pot and a jet suction pump delivering into the baffle pot, the jet suction pump comprising: a propulsion jet nozzle with a nozzle opening,a mixing pipe having an outlet,a suction opening,a suction line connected thereto,wherein a baffle element is arranged downstream of the mixing pipe and inside the baffle pot,wherein the baffle element is spaced apart from the mixing pipe and connected to the mixing pipe by a plurality of connecting members,wherein the plurality of connecting members are spaced apart to form openings such that fuel can flow from the mixing pipe, through the openings between the connecting members, and into the baffle pot, andwherein the openings are located between the outlet of the mixing pipe and the baffle element,wherein the baffle element includes a pocket centrally aligned with a central longitudinal axis of the mixing pipe and extending away from the mixing pipe, the pocket of the baffle element having a shape and size configured to cause a jet of fuel propelled through the outlet of the mixing pipe and into the pocket to become swirled and thereby seal off the outlet of the mixing pipe; andwherein an outer perimeter of the mixing pipe, an outer perimeter of the connecting members, and an outer perimeter of the baffle member are the same, such that the mixing pipe, the connecting members, and the baffle member form an integral cylindrical body. 2. The delivery unit according to claim 1, wherein the baffle element is connected in one piece to the jet suction pump via the connecting members, which include at least one web. 3. The delivery unit according to claim 1, wherein the mixing pipe, baffle element, and connection members define a single integral piece. 4. A jet suction pump comprising: a propulsion jet nozzle with a nozzle opening, a mixing pipe having a body extending in a longitudinal direction and terminating in an outlet, a suction opening, and a suction line connected thereto,wherein a baffle element is arranged downstream of the mixing pipe and inside a baffle pot,wherein the baffle element is spaced apart from the mixing pipe and connected to the mixing pipe by a plurality of connecting members, each connecting member directly connecting an axial end of the mixing pipe outlet with the baffle element, such that the mixing pipe body, the mixing pipe outlet, the connecting members, and the baffle element together form a continuous structure extending continuously in the longitudinal direction,wherein the plurality of connecting members are spaced apart to form openings such that fuel can flow from the mixing pipe, through the openings between the connecting members, and into the baffle pot,wherein the openings are located between the outlet of the mixing pipe and the baffle element; andwherein an outer perimeter of the mixing pipe, an outer perimeter of the connecting members, and an outer perimeter of the baffle member are the same, such that the mixing pipe, the connecting members, and the baffle member form an integral cylindrical body. 5. The jet suction pump according to claim 4, wherein the surface of the baffle element facing the mixing pipe comprises a pocket. 6. The jet suction pump according to claim 4, wherein the baffle element is connected in one piece to the jet suction pump via the connecting members, which include at least one web. 7. The jet suction pump according to claim 4, wherein the mixing pipe, baffle element, and connection members define a single integral piece. 8. A delivery unit comprising a baffle pot, a fuel pump arranged in the baffle pot and a jet suction pump delivering into the baffle pot, the jet suction pump comprising a propulsion jet nozzle with a nozzle opening, a mixing pipe having an outlet, a suction opening, and a suction line connected thereto, wherein a baffle element is arranged downstream of the mixing pipe on the baffle pot or the fuel pump, such that the baffle element is spaced apart from the mixing pipe and connected to the mixing pipe by a plurality of connecting members formed integrally with the mixing pipe and baffle element,wherein the plurality of connecting members are spaced apart to form openings such that fuel can flow from the mixing pipe, through the openings between the connecting members, and into the baffle pot,wherein the openings are located between the outlet of the mixing pipe and the baffle element,wherein the mixing pipe, baffle element, and connection members are defined by a single integral piece, the integrated mixing pipe, baffle element, and connection members being free of any structure formed radially inside of, and spaced apart from, another structure, such that the mixing pipe, baffle element, and connection members can be formed according to particular fabrication processes; andwherein an outer perimeter of the mixing pipe, an outer perimeter of the connecting members, and an outer perimeter of the baffle member are the same, such that the mixing pipe, the connecting members, and the baffle member form an integral cylindrical body. 9. The delivery unit according to claim 8, wherein the surface of the baffle element facing the mixing pipe comprises a pocket.
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이 특허에 인용된 특허 (9)
Scheurenbrand Dieter (Wolfschlugen DEX) Wawra Helmut (Korb DEX), Dashpot with filter for fuel tanks.
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