DE746877C - Brake cover on an aircraft wheel - Google Patents
Brake cover on an aircraft wheelInfo
- Publication number
- DE746877C DE746877C DEE55353D DEE0055353D DE746877C DE 746877 C DE746877 C DE 746877C DE E55353 D DEE55353 D DE E55353D DE E0055353 D DEE0055353 D DE E0055353D DE 746877 C DE746877 C DE 746877C
- Authority
- DE
- Germany
- Prior art keywords
- brake
- wheel
- recess
- ring
- brake cover
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D65/00—Parts or details
- F16D65/02—Braking members; Mounting thereof
- F16D65/10—Drums for externally- or internally-engaging brakes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D51/00—Brakes with outwardly-movable braking members co-operating with the inner surface of a drum or the like
- F16D2051/001—Parts or details of drum brakes
- F16D2051/005—Protective covers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D51/00—Brakes with outwardly-movable braking members co-operating with the inner surface of a drum or the like
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
Description
Bremsabdeckung an einem Flugzeuglaufrad Bisher werden vor den 13reinsen von Flugzeuglaufrädern, insbesondere vor den Breinsbelägen, Bremsschilde angebracht, die das Eindringen von Spritzöl, Sand o. dgl. in das Radinnere erschweren. An diesen Schilden «-aren Ringe angebracht, die in Ausdrehungen eines Radteiles eingreifen, gegen den Radkörper aber .nicht abgestützt sind.Brake cover on an aircraft wheel So far, the 13reinsen of aircraft wheels, especially in front of the pulp linings, brake shields attached, which make it difficult for spray oil, sand or the like to penetrate the inside of the wheel. On these Shields - rings attached that engage in the recesses of a part of the wheel, but not supported against the wheel center.
Derartige Abdeckungen können jedoch erfahrungsgemäß ein Verölen der Bremsbeläge durch bei Wartung anderer Flugzeugteile auf die Laufräder tropfendes oder spritzendes 01 nicht verhindern. Dieses Öl wird insbesondere bei stehendem Laufrad von Radkörperteilen so-abgelenkt, daß es fast ungehemmt in das Radkörperinnere laufen kann, weil die Ringe an den Bremsschilden keine Ahsteifwirkung ausüben und die Lahyrinthwirkung der Abdeckung zu schwach ist.However, experience has shown that such covers can cause oiling of the Brake pads from dripping onto the wheels during maintenance of other aircraft parts or prevent 01 splashing. This oil is particularly useful when standing Impeller deflected by parts of the wheel body so that it enters the interior of the wheel body almost unchecked can run because the rings on the brake shields do not have a rigid effect and the lahyrinth effect of the cover is too weak.
Dieser Mangel wird" erfiiidungs#eniäl:; cladurch vermieden, daß ein an dem Bremsschild sitzender Ring an seinem äußeren Umfang eine Rille aufweist, @äelche in eine Busdrehung der in das Rad eingesetzten Breinstrotninel oder des Radkörpers eingreift, wobei die Erzeugende dieser _'usdrehung parallel zur Radachse liegt oder mit dieser radauswärts einen spitzen Winkel bildet. Die Rille fängt die Tropfen auf, die sich von der @-on der Ausdrehung und der Brenistrommelstirnfläche geschaffenen Kante ablösen, fe tiefer die Rille ist, uin so sicherer «-erden auch größere, durch den Spalt zwischen Bremsschild und Radkörper ,herunter«-irhelnde Olmengen von der Bremse weggeschafft.This deficiency is "fulfilled" by the fact that a ring seated on the brake shield has a groove on its outer circumference, @ äelche in a bus turn of the Breinstrotninel or des inserted into the wheel Engages the wheel body, the generating line of this rotation being parallel to the wheel axis lies or forms an acute angle with this wheel outward. The groove catches the Drops on, extending from the @ -on of the recess and the Brenis drum face Peel off the created edge, the deeper the groove is and the more secure it is larger ones, through the gap between the brake shield and the wheel center, down «-irhelnde Removed quantities of oil from the brakes.
Das Loslösen von einzelnen "Tropfen von der Kante wird besonders begünstiz,t, -,nenn diese keilförmig mit einem Keilwinkel unter oo' gestaltet ist, d.li. wenn die Erzeugende der Ausdrehung mit der Radachse radauswärts einen spitzen Winkel bildet. Der cweckmäßigerweise Z-förinig im Querschnitt geformte Ring (aus Blech geprellter Winkelring) fängt dann auch die sich an der spitzen hrenistrommelkante sammelnden Tropfen auf, die von allmählich in die Bremsen einzudringen versuchenden und ohne scharfe 1>z1. keilförmige Kanten keine Tropfen bildenden Kriechölschichten herrühren.The detachment of individual "drops from the edge is particularly beneficial, -, call this wedge-shaped with a wedge angle under oo ', i.e. li. if the generating line of the recess with the wheel axle outwards an acute angle forms. The ring with a Z-shaped cross-section (made of sheet metal bruised angular ring) then also catches itself on the pointed edge of the drum collecting drops from gradually trying to penetrate the brakes and without sharp 1> z1. Wedge-shaped edges, no penetrating oil layers that form droplets originate.
Auch die Seitenfläche des 13remsscliildes kann kegelig ausgebildet und mit einem Bördelrand versehen sein. Die als Spritzölauffang wirkende Kegelfläche verhindert einerseits im Zusammenwirken mit der nach außen gerichteten Umbördelung die Bildung von Tropfen auf der Innenseite des Bremsschildes und begünstigt andererseits auf der Unterseite des Rades die Atleitung der von dem dünnwandigen Winkelring aufgefangenen Öltropfen ins Freie.The side surface of the brake clip can also be conical and be provided with a beaded edge. The conical surface acting as a spray oil catcher prevented on the one hand in cooperation with the outward-looking Flanging promotes the formation of drops on the inside of the brake shield and on the other hand, on the underside of the wheel, the line of the thin-walled one Oil drops collected by the angle ring into the open air.
Durch die l.abyrinthik der Abdeckung wird auch das Eindringen von Sand weitgehend verhindert.The l. Labyrinth of the cover also prevents Sand largely prevented.
In der Zeichnung sind Ausführungsbeispiele der Bremsabdeckung in Verbindung mit Laufrad und Bremstrommel im Teillängsschnitt dargestellt.In the drawing, exemplary embodiments of the brake cover are in connection shown with impeller and brake drum in partial longitudinal section.
Abb. i veranschaulicht eine Abdeckung mit einer spitzwinkligen Ausdrehung.Fig. I illustrates a cover with an acute-angled recess.
Abb.2 stellt eine Abdeckung mit recht-`vinkliger Ausdrehung dar.Fig. 2 shows a cover with a right-angled recess.
Die in den Laufradkörper i eingesetzte Bremstrommel 2 weist am äußeren Umfang eine Ringnute 3 und innen eine Ausdrehung4 auf, in die ein auf das Bremsschild 5 aufgepunkteter Rin- 6 hineinragt. Dieser Ring 6 ist mit einer nach außen gerichteten, mit dem Bremsschild 5 eine Rille bildenden Umbördelung 7 versehen, deren äußerer Durchmesser etwas kleiner als der Durchmesser der von der Bremstroininelstirnfläche 8 und der Kegelfläche 9 gebildeten Kante ist. Die Bremse io, an der das Bremsschild 5 sitzt, trägt den Bremsbelag i i. Die Seitenwand des Bremsschildes 5 ist kegelig ausgebildet, wobei die mit einer Umbördelung 12 versehene Kegelfläche 13 die Ringnut 3 überdeckt. Von der Stirnfläche 8 der Bremstrommel zu deren Kegelfläche 9 verlaufende Bohrungen 1.4 ermöglichen das Abfließen des sich in der Ausdrehung q. etwa ansammelnden Öles.The brake drum 2 inserted into the wheel body i has on the outer Circumference an annular groove 3 and inside a recess 4 into which a on the brake shield 5 dotted ring 6 protrudes into it. This ring 6 is provided with an outwardly directed, provided with the brake shield 5 a groove forming bead 7, the outer Diameter slightly smaller than the diameter of the Bremstroinin face 8 and the conical surface 9 formed edge. The brake ok, on which the brake shield 5 sits, wearing the brake lining i i. The side wall of the brake shield 5 is conical formed, the conical surface 13 provided with a flange 12 being the annular groove 3 covered. From the end face 8 of the brake drum to the conical surface 9 thereof Bores 1.4 allow the drainage in the recess q. about accumulating Oil.
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEE55353D DE746877C (en) | 1941-10-03 | 1941-10-03 | Brake cover on an aircraft wheel |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEE55353D DE746877C (en) | 1941-10-03 | 1941-10-03 | Brake cover on an aircraft wheel |
Publications (1)
Publication Number | Publication Date |
---|---|
DE746877C true DE746877C (en) | 1944-12-27 |
Family
ID=7082046
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DEE55353D Expired DE746877C (en) | 1941-10-03 | 1941-10-03 | Brake cover on an aircraft wheel |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE746877C (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4155601A (en) * | 1977-04-05 | 1979-05-22 | Toyota Jidosha Kogyo Kabushiki Kaisha | Disc brake device for use in a vehicle |
EP1748208A2 (en) * | 2005-07-28 | 2007-01-31 | BPW Bergische Achsen KG | Drum brake |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1856095A (en) * | 1930-06-16 | 1932-05-03 | Bendix Brake Co | Wheel |
DE599925C (en) * | 1932-08-15 | 1934-07-14 | Gen Tire & Rubber Co | Pneumatic tires with a relatively narrow tread that is curved in the transverse direction |
US2028207A (en) * | 1931-06-05 | 1936-01-21 | Hayes Ind Inc | Wheel and brake therefor |
DE642279C (en) * | 1933-11-08 | 1937-03-03 | Wingfoot Corp | Braking device for wheels with tires arranged directly on the hub, especially for aircraft |
-
1941
- 1941-10-03 DE DEE55353D patent/DE746877C/en not_active Expired
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1856095A (en) * | 1930-06-16 | 1932-05-03 | Bendix Brake Co | Wheel |
US2028207A (en) * | 1931-06-05 | 1936-01-21 | Hayes Ind Inc | Wheel and brake therefor |
DE599925C (en) * | 1932-08-15 | 1934-07-14 | Gen Tire & Rubber Co | Pneumatic tires with a relatively narrow tread that is curved in the transverse direction |
DE642279C (en) * | 1933-11-08 | 1937-03-03 | Wingfoot Corp | Braking device for wheels with tires arranged directly on the hub, especially for aircraft |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4155601A (en) * | 1977-04-05 | 1979-05-22 | Toyota Jidosha Kogyo Kabushiki Kaisha | Disc brake device for use in a vehicle |
EP1748208A2 (en) * | 2005-07-28 | 2007-01-31 | BPW Bergische Achsen KG | Drum brake |
EP1748208A3 (en) * | 2005-07-28 | 2008-10-22 | BPW Bergische Achsen KG | Drum brake |
DE102005035982B4 (en) * | 2005-07-28 | 2017-09-28 | Bpw Bergische Achsen Kg | drum brake |
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