Fluid sprinkling – spraying – and diffusing – Liquid sprayer for transparent panel
Patent
1998-02-26
2000-02-01
Kashnikow, Andres
Fluid sprinkling, spraying, and diffusing
Liquid sprayer for transparent panel
285331, B05B 110
Patent
active
060192925
DESCRIPTION:
BRIEF SUMMARY
The invention relates to a sealing part for a metallic tubelet.
This sealing part is to support a nozzle, by means of which washing water can be supplied to the windshield of a motor vehicle. The tubelet is conducted through the drive axis of the wiper arm.
The sealing part should now seal the end of the tubelet which projects out of the neck of the axis in such a manner, that the water does not enter into the axial bushing.
It is additionally proposed that the sealing part have a central guide peg which is coaxially encircled by a stud, so that an annular groove is formed between the guide peg and the stud, in which groove the casing of the tubelet can be inserted.
The sealing part has a longitudinal blind boring, the opening of which, after the placing of the sealing part into the tubelet, is directed into the same.
A transverse mount accommodates a nozzle body, and the nozzle channel penetrates into the blind bore boring.
BRIEF DESCRIPTION OF THE DRAWINGS
The construction of a motor drive unit for the wiper apparatus of a motor vehicle is described in the following. As is evident from the description, the essential elements of this apparatus can also be used for motor drive units which serve for other purposes of use. The description is carried out in reference to 10 diagrams, which depict the following:
FIG. 1 depicts a motor drive unit without a drive cover, whereby the depiction is carried out, in part, in a view from above and, in part, in a cross-section;
FIG. 2 depicts a section along the line II--II of FIG. 1;
FIG. 3 depicts, in a view from above, the drive unit casing without cover unit, with a contact disk placed on the base of the casing;
FIG. 4 depicts a section along the line IV--IV of FIG. 3;
FIG. 5 depicts a view from the outside against the base of the drive unit casing, partially in a view from above and partially cut away, with an electronics unit inserted;
FIG. 6 depicts a view from above of the brush supporting plate of the electrical motor;
FIG. 7 depicts a section through the casing along the line VII--VII of FIG. 1;
FIG. 8 depicts a detail of FIG. 2;
FIGS. 9a, 9b depict the contact plate which is inserted into the casing;
FIG. 10 depicts one possibility for the attachment of the contact plate in the casing;
FIG. 11 depicts individual details of the passage of water through the drive shaft.
DETAILED DESCRIPTION OF THE DRAWINGS
Reference will first be made to FIG. 1.
The unit consists of an electrical motor 1 as well as a drive unit 2. The electrical motor 1 is attached laterally to the casing of the drive unit 3. The drive unit involves a so-called "pendulum drive unit".
This consists of the following elements: The motor shaft 4 is extended and supports, on its extended end, a helical unit 5. This meshes with a worm wheel 6. Eccentrically to the axis 7 of the worm wheel 6, a first lever 8 with a partial pinion 9 is connected with the worm wheel 6, in a swivelable manner, in the center of rotation 13. The partial pinion 9 engages with an additional partial pinion 9' on the drive shaft 11. One center of rotation 12 on the first lever 8 is linked to the drive shaft 11, by way of a second lever 10, in such a manner that the center of rotation 12 always moves on a partial radius around the axis of the drive shaft 11.
If the worm wheel 6 is driven by the motor during the maintenance of a given direction of rotation, the first lever 8 carries out, on the basis of its doubled articulation, a forced movement in the centers of rotation 12, 13, which leads to the drive shaft being moved back and forth. Nearly any angle of swiveling of the drive shaft 11 which is desired can be adjusted by means of a corresponding choice of the geometry of the partial pinion 9, 10, as well as of the articulation points 12, 13.
As can be inferred, in particular, from FIG. 2, the axis of the center of rotation 13 projects somewhat over the first lever 8. A cap 15, which slides along on the lower side of the cover unit 17 of the drive unit casing 3, is placed on this end.
A drive unit casing 3, which consist
REFERENCES:
patent: 3192090 (1965-06-01), Sarafinas et al.
patent: 4889450 (1989-12-01), Anne
patent: 5173986 (1992-12-01), Bohmer et al.
patent: 5454134 (1995-10-01), Edele et al.
patent: 5711487 (1998-01-01), Hommelet
Bocanegra Jorge S.
ITT Manufacturing Enterprises Inc.
Kashnikow Andres
Lewis J. Gordon
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