DE1506731A1 - Underwater vehicle - Google Patents

Description

ν. EirfiendorfF-Strasse 10

. Our reference Br.Lb/ P Az S 6672

(Please specify when replying)

DR. ING. E. LIEBAU your night from

DIPL.ING. G, LIEBAU

Leonard W. Seeley

706-B Nimitz, China Lake, California, USA

Underwater vehicle

The invention relates generally to underwater vehicles and in particular a sports and utility underwater vehicle.

• There is currently no vehicle or none with one Automobile, light aircraft, or pleasure craft, generally available underwater vehicle. It is generally assumed to be certain that ■ in the future people will be more and more interested in sport,

adventure

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Adventure, research, submarine treasure mining, for military ones Purposes, commercial jet sports, fishing and extraction for ^ · of different sea products will be active under water, so that various underwater rides are required for these purposes will.

In the meantime Underwater View serfährzeug e to the invention Stelit * ^itten; represents great technical progress in two main directions and has various novel features relating to the construction of small underwater vehicles.

Accordingly, the object of the present invention is to provide a hydrodynamically effective hull or » -hull for the underwater vehicle in an approximately ellipsoidal shape and awar in adaptation to the natural form e.g. des- " Drip fish and perch.

The invention provides a small underwater vehicle, wherein "which erreicht- 'a comfortable seating position for the ^crew: is no need for an inhibitory superstructure, tower and ^r * i According to the invention like a one-man or Zweimannunterwas- is provided ser.fahr.zeug that. an increased service life and a much larger travel range are achieved with lower energy requirements.The underwater vehicle designed according to the invention has a twin drive system in the middle of the boat hull

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of the underwater vehicle in the form of a cycloid with a novel control device for obtaining excellent maneuvering characteristics or properties for an underwater vehicle machine.

What else a commuting or deviating from course or yawing unstable boat hull construction is according to the present invention by an underwater vehicle hull construction with improved stability around the vertical axis of rotation and roll axis without any additional inhibiting Auxiliary surfaces replaced. The underwater vehicle according to the invention has a waterproof transverse wall or a pressure bulkhead, which is arranged at an angle, whereby increased stability and ballast arrangement is achieved in the underwater vehicle according to the invention. There is also a control system in accordance with the present invention created for an underwater vehicle with a flooding mechanism that works exclusively through linear movements works via waterproof coupling elements or couplers. The underwater vehicle according to the invention also has a control stand so that the cycloid drive systems are effective and can be conveniently controlled or monitored.

Further features and advantages of the present invention will become apparent from the following detailed description with reference to the accompanying drawings

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added drawings; seig in it

Fig. 1 is a perspective view of one designed according to the invention Underwater vehicle;

Fig. 2 is a side view of the front part of the underwater vehicle or the rear part or rear part of the underwater vehicle according to FIG. 1;

Fig. 3 is a schematic view of the control and drive system of the underwater vehicle, with the various parts are shown in perspective;

Figure 4 is a vertical view taken along line 4-4 of Figure 3 showing details of the novel control stand are}

Fig. B is an end view of the same;

Figure b is a cross-sectional view of the cycloid drive system along line 6-6 of Figure 2;

Figure 7 is an enlarged cross-sectional view of the details a control cable coupler; other

Fig. 8

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Fig. 8 is a series of graphs showing the relationship of the joystick and the lever positions when adjusting the cycloid propeller screws and then that obeyed behavior of the overhead craft «own ·

The underwater vehicle of the invention is generally provided with the reference number 10. The hull 12 of the Uhterwassercraft is formed in an ellipsoidal shape. When viewed from above, the submarine hull is on the starboard side preferably designed in the form of a falling drop. It can be seen that the crew is in a comfortable position can sit, unlike other conventional cigar-shaped Vehicles in which the crew must sit face down or tilt their heads Shoulders in observation towers are added, which affect the hydrodynamic evenness of the trunk.

The ellipsoidal construction of the underwater vehicle furthermore not only leads to the achievement of a minimal displacement volume, but also has a smaller one Surface area as elongated spheroids of the same volume and the same width. Since the viscous drag or the viscous inhibition (the hull skin friction) for the contributes most of the total hydrodynamic drag

Underwater vehicles

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Underwater vehicles is responsible, this inhibition becomes reduced in the case of ellipsoidal hulls, which also significantly reduces the energy requirement.

The underwater vehicle hull 12 is in its interior by a pressure bulkhead or a waterproof transverse wall 14 in a Cockpit or driver's cabin 1b and a room 18 for the power, Air, ballast system and the outer influence system (Fig. 1 and 2) assigned.

It can be seen that the bulkhead 14 is generally in one Angle is inclined and has the shape of a seat seen in side view, from a point on the deck near the Curvature of the underwater vehicle 10 to behind the central axis seen on the ceiling or overhead. The one on this In order to obtain a better seating area, crew members shown seated in bulkhead 14 sit a little forward and backward offset at the back. As a result of the angular position of the bulkhead 14, the volume and consequently the buoyancy or buoyancy is of the compartment 1b and thus also the need for lead ballast is reduced. A large sun canopy or a hood 20 from clear material like. e.g. specially processed glass forms a large part of the front portion of the fuselage 12, with a hot discharge ballast 21 forming the front outline

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of the swamp below the crew seats.

The high-performance batteries or accumulators are in a flooded battery case 22 slightly behind the central axis and deep in room 18, mowing at the bottom of room 18 several valves 23 are provided, which are open to the outside and through which compressed air can be pumped out or with seawater can be flooded, i.e. those for dipping and surfacing of the underwater vehicle. To that end is an air outlet valve 24 shown in Fig. 2 is provided which is located in the fuselage 12 near its highest point. A measuring sight 32 for the height of the water surface is in space 16 for Supervision of submersion is planned.

A hatch 2b provided at the top of the sump is used for access to the tree 16, with an entry step 28 being provided in the bulkhead 14 is. The back of this entry step 28 is also used as a support for a dashboard or control panel 30. One indicated generally by reference number 34 Cycloidal drive system 34 is provided, this system being based in part on the systems disclosed in U.S. Patent No. 1 432 700 disclosed principles (F.K. Kirsten) and for use in conjunction with the control system 36 to be described in an underwater vehicle.

A

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A motor 38 is designed as a submersible motor and controlled with the aid of an electrical circuit arrangement of a suitable type and can be operated by the battery in housing 22. This motor 38 has a gear reduction head 40 and overrunning clutches 41 on each opposing drive shaft 42 (FIG. 3). At the end of each shaft 42 is a gear 44 is provided which meshes with the gears 46, each of which into a hub 68 of a drum-shaped arm circle 48 Splines is inserted, one on the port side and the other on the starboard side.

A sun bsw. Steering wheel 50 is within arm cross 48 centered and connected to a control shaft 52 by spline shafts which extend through the gear wheel 46 and a hub 68 (Fig. 3) extends. An idler gear 54 meshes with gear 50 and also with the planet gears 56.

The planetary gear system within arm circle 48 is in Body 12 installed in a housing shaft 58. A suitable one Form sealed flange 60 and the screws β2 a pressure-tight seal of the housing shaft 53 in Bow on the trunk 12.

The housing shaft 58 is made of one piece with a housing 64

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designed for the above-mentioned gears 44 and 4b. One Cover and support plate 66 serves as a watertight support! ' for the shafts 42 and 52. A wedge 70 is used to secure the "/ all." on timing gear 50.

A cover and support plate 72 is attached to the outside of the spider 48 with screws 74. This plate (2 adapts to the ellipsoidal shape of the hump 12 and serves as a support for the protruding shafts 7b. "

The propeller screws 80 are through pins 82 on the outer end of the Shafts 7b attached and extend outward. right-angled xur surface of the fuselage 12 and have no other support. These-'shafts 76 are through pins 78 with the planetary gears 5b and rotate together with '! Read.

This mechanism is through the control stand or the control pedestal 84 in the cockpit room 16 * (Fig. 3). The control section 84 consists of a U-shaped frame 86 (Fig. 4). Of the Frame 86 is provided with two vertical arms 88 and 90, which comprise a twin differential system 92 on a TsIL-ü 94 »

A / both right bevel gear 96 is -by means of Köilwsllen an der Wöl-Ie -H zwlsoh & n. the two ends die, ä er feLLe> 3? f? 3nigt » ? vmi steuei?! müppel 9H he ^ treükan sioh below as / L aQh 3 η bJii 'kneel deo' il mannss and iUiid at WöLLaiunampfoii 100 dureh; i shvaubb. j Lxon 102

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SAD ORiGlNAL

attached. The stub shafts 100 ^ν have openings for receiving the sockets 1u4 so that they can be pivoted about the shaft 94 ..

The upper bevel gears 10b are 1ü0 on these stub shafts attached by means of locking rings 112 and rotate with "' them. All four bevel gears 106 and 110 mesh with the at & recnten bevel gear 96, -during each pair 10b and 110 with a side bevel gear 114 meshes.

Each of the side bevel gears 114 has teeth 116 which are engaged by a block or pin chain 118 which extends laterally into a cover or closure part 120 through openings or slots (not shown). Similar views or openings 122 permit the joystick 88, ^%: s'^; iclr "düäi to extend the cover 120 with a + 45 ° freedom of movement.

As can be seen from FIGS. 4 and 5, a selector lever 124 is attached in an opening 126 of the shaft 94 on the outside of the cover 120. This 7 / ählhebel 124 is normally a e'e he & with its flange 128 downwardly against the driven shaft 94 130 and a retaining nut and washer 132 overall ^r. As a result, a 'tongue 134 ", which is made of one piece with the selector lever 124", attaches itself to a 7 / ählq.uadranteti

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BATH ORIGINAL

136, which forms part of the arm 90. A quadrant 136 has

in 90 °
three notches arranged at a distance from one another, namely a forward notch 138 (FWD.), a reversing notch 140 in the upper part and a reverse notch (REV.) 142. Thus, by moving the selector lever 124, the shaft 94 is rotated into three preselected positions and " likewise the right-hand bevel gear 96 translated.

As can be seen from Figs. 2 and 3, the movement of the chains 118 is transmitted as push-pull through the pressure bulkhead 14 with the aid of the control coupling members 144. In space 18, these coupling links 144 move the chains 146, which extend around the teeth 148, which the shafts 150 have.

The outer gears 152 at the ends of the shafts 150 transmit this upward motion via the endless block chains to the gears 156 on the inner ends of the control shafts 52 on the port and starboard sides of the cycloid propulsion system 34.

The control pedestal 84 has a hanging arm 160, on which two foot levers 158 are attached to a pin 162 are pivoted (Fig * 4). Cables 164 extend from these foot levers 158 to the rear and are supported by two steering units 144 in the pressure bulkhead 14 with the underlying

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the cables 166 in connection. The disks 168 shear the cables 166 around the sides of area 18 to a control crank 170 near the aft side of the underwater vehicle 10. A Gear 172 on this crank 170 carries an endless Block chain 174 that revolves around another gear 176 on a vertical shaft 178.

The shaft 178 is rotatably supported by the body 12 at the top and bottom and on the outside carries a rudder 180 which has a movable end of the hull formed in the form of a falling drop represents.

Details of the control links 144 are shown in FIG illustrated. These coupling members 144 must have large pressure differences resist, and in this case one known as "Bellofram" is commercially available Rolling diaphragm used. The coupling member 144 has a pan shape on, while the housing 182 has a flange 183 and a similar rear housing 184 has a flange 185.

The rolling diaphragm 186 is at its edges between the flanges 183 and 185 fastened with the help of through bolt 190, which also hold the arrangement on bulkhead 14 on a watertight sealing ring 188. A coupling rod 192

slides

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slides in sockets 194 and extends through both housings 182 and 184 and diaphragm 186 and carries a piston 196 reciprocable therein. A nut 204 and a flange 198 on the coupling rod 192 tension a sealing ring 200 against the piston 196 and the diaphragm 18i between the piston 196 and a piston cap 202.

The piston 196 has the Fora, a deep frying pan or a deep cup, while the piston cap is in the form of a non-deep tray 202nd The membrane 186 is designed to be re-entrant and rolls with the translation of the push rod 192 and maintains a permanent seal.

The front housing 182 is facing the cockpit 16 through openings 208 is vented and the rear housing 184 is on the submersible Area 18 ventilated through the openings 210. The pressure difference is essential, whereby while it is partly supported by a spring 2C§ is absorbed, the pivot pins or bearings of the shafts 150 * ienlich must be strong at this tension x.B · on the chains 146 χu can record. How the Control system in connection with Figs. 3, 4 and those in Fig. 8 the diagrams shown.

The differential system 92 drives the sun or control gears 50

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the port and starboard cycloid systems 36 by the sprockets 116 of the port and starboard sides in the same direction and through exactly the same angle in one Ratio 1; 1. When the selector lever 124 is in one of the three Positions (the forward, backward or reverse position) engages, the relevant gears 116 are caused by the movement the associated control stick 98 in the same direction, but driven by an angle that is twice as large, as a result of the differential gears 106 and 110. Therefore, must the control sticks 98 to rotate the sun or steering wheels 50 + 90 ° in turn can be moved or pivoted + 45 ° can. While the control sticks 98 are determined with the left hand of the helmsman, the selector lever 124 is off brought his forward position to the rearward position and the sprockets 116 are rotated 180 ° in the opposite direction, so that the sun or control wheels 50 in their respective cycloid drive systems 36 reversed and the direction of thrust of the control screws is reversed.

Normally, the underwater vehicle 10 is reversed or makes a turning movement by operating the huder 180 with the foot levers 158, but with KuI1 forward speed the underwater vehicle rotates a vertical one

axis

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Axis can rotate by moving the selector lever 124 in the reversing position is moved and the joystick 9S in the opposite direction be pivoted. ·

The propeller tube hoods 80, by themselves, can be used for turning at any speed. For example, to turn in the starboard direction, the selector lever 124 must be brought into the turning button 140, while the starboard stick 98 is advanced to its limit position and the port stick 98 is retracted to its limit position. The thrust of the port propeller screws 80 is then in the forward direction _; and the thrust of the starboard propeller screws in the reverse direction instead of

Claims

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Claims (1)

- ¹⁶ - 150R731 Claims 1. Underwater vehicle, characterized by a hull (12) in'Ellipsoidform, a pressure bulkhead (14), which inr the hull a cockpit (16) and a flooding area (18) for the power, air, ballast and associated Plants sharing, a twin propeller drive system (34) in the form of a cycloid in the middle of the hull for the starboard and the port side of the submersible for propulsion thereof and by means (84) for controlling the operation of the propulsion system such that the maneuvering characteristics of the underwater vehicle can be controlled. 2. Underwater vehicle according to claim 1, characterized in that that the trunk is approximately in the form of a flattened spheroid is trained. ■ 5. Underwater vehicle according to claim 1, characterized in that the hull is in the form of an elongated ellipsoid of revolution is trained" 4 »Underwater vehicle according to claim 1, characterized in that that the control device has a mechanism for changing the speed and the direction of movement of the underwater vehicle having. "'■■. 5« Underwater vehicle ■ 909883/0057 5. Underwater vehicle according to claim 1, characterized in that that the pressure bulkhead (14) is arranged at an angle, so better ones that a higher stability and / ballast arrangement of the underwater vehicle is achieved. 6. Underwater vehicle according to claim 1, characterized by a rudder mechanism (180) for controlling movement of the Underwater vehicle in the desired direction. 7. Underwater vehicle according to claim 1, characterized in that » that the pressure gauge is generally inclined at an angle and corresponds to the outline of the seat (14) in side elevation, namely from a point on the deck of the underwater vehicle "in the vicinity of the curvature of its mantle from behind the central axis in the upper rope of the Unterwaeserfahrzeugee. 8. Unterwasaerfahrzeug according to claim 1, characterized by a Sun canopy or a hood (20) made of transparent material, a large part of the front part of the trunk 9 * underwater vehicle according to claim 3, characterized in that that the transparent material consists of specially processed glass. 10. Underwater vehicle according to claim 1, characterized by additional 909883/0057 additional ballast (21) that can be released from the front the lower outline of the underwater vehicle added. 11. underwater vehicle according to claim 1, characterized by additional power means that are provided in the flood area to drive the drive system. 12. Underwater vehicle according to claim 11, characterized by Means (24) for flooding the flooding space of the underwater vehicle 13. Underwater vehicle according to claim 1, characterized by a hatch (2b) for access to the cockpit. 14. Underwater vehicle according to claim 1, characterized in that that the control device has a control pedestal (84) which is arranged in the cockpit (16) and a mechanism for coupling the control pedestal to the one in the middle of the Bump. arranged cycloid drive system. 15. ünterwasseaffahreeug according to spoke 14, characterized by an independent Hudersystem that works with the tax pedestal (84) is coupled for independent control of the movement of the underwater vehicle in the desired direction. ■ 16 «underwater vehicle 909883/0057 16. Underwater vehicle according to claim 1, characterized by a number of propeller screws (80) used for the in the Twin cycloid propulsion system provided in the middle of the fuselage are provided. IT underwater vehicle according to claim 14, characterized in that d & ß the tax pedestal (84) independent and movable control members for the port and starboard sides to control the movement of the underwater vehicle in the desired direction having. 909883 / 00S7