DE102008008436A1 - Push and load force generator - Google Patents

Abstract

Pushing or carrying force creates a tubular fluid jet which arises because a fluid after radial acceleration in a disk-shaped, driven rotor mixes in the peripherally arranged annular chamber with further fluid before its deflection in the nearly axial direction.

Description

Except Rockets and balloons usually produce the bearing force in airplanes by the generation of buoyancy, which is usually due Sufficiently fast moving wings are generated by helicopters Rotor blades are called. Sliders are also used for lift generation with screen designated areas that over the wings have an aerodynamically effective profile.

There the buoyancy surfaces always strong enough airflow usually you need long runways for airplanes. Helicopters have the advantageous ability of stationary hovering the limitation of airspeed, among other things causes through the flow the retracting rotor blades.

method and device according to claim 1 enable vertical take-off and landing without restriction of the airspeed (such as in helicopters), the equipment required in such Devices much simpler fails than helicopters or VTOL devices such as B. a HARRIER of the British Royal Air Force.

Devices after Claim 1 also offer the ecological Advantage that they Avoid the extreme heating of the exhaust air of today's engines. Moreover, appears with devices according to claim 1 also a simplification of the shuttle operation in space possible. The drive method defined by claim 1 is suitable also for maritime purposes, since it is not on air as the sole working fluid limited.

The method is described in conjunction with the list of reference numerals and the example sketches as follows:
In 1 are as usual the amounts of energy h over the entropy s indicated with the lines of constant pressure, wherein P1 preferably corresponds to the ambient pressure, which decreases after P2 to P3. A fluid gets out of the ambient state 1 in the center of a nearly disc-shaped rotor similar to a radial compressor in the approximately radially extending flow channels 12 with the condition 2 , as a result of the designed for acceleration of the fluid channel cross-sections, the fluid undergoes unlike the radial compressor associated with a pressure reduction such acceleration that when leaving the nozzle-like channel openings 13 on the periphery of the rotor it in the state 3 exiting at the entrance to an annular gap surrounding the rotor rim 18 . 19 in the manner of a Saugstrahlapparates additional fluid from the environment 28 . 32 sucks in to after passing through an adjoining almost perpendicular to the rotor plane curved also annularly arranged mixing channel area 20 the condition 4 to accept. The thus homogenized mixed fluid attained when flowing through the adjoining the mixing area annular outlet channel 21 the condition 5 and generates the desired axial thrust in the form of a tubular air jet. A reference value for a possible efficiency of thrust generation provides the track ratio 6 / 7 , a measure of the increase in entropy in the process provides the range 8th ,

It follows the description of an exemplary device according to claim 1 also with reference to the drawings and the list of reference numerals:

It demonstrate:

1 Circular process of the procedure

2 Side u. Top view from the shear & Capacity producer

3 Radial section CC with axle area with bearings, freewheel coupling, loading space for drive, control, energy supply etc.

4 Partial section AA with control blade and jockey wheel

5 Cut BB in the edge area of the hood and floor

6 Channel course and flow with cascading

7 Annular gaps and common outlet channel of opposing rotors

Surrounded by a flat horizontal hood 9 rotates about an axis perpendicular to the hood plane on the hood releasably secured axis 10 a flat, almost disc-shaped rotor 11 with radially arranged flow channels 12 , which are designed differently than in a centrifugal compressor for accelerating the entering into the inner openings of the channels fluid which is accelerated in the narrowing towards the edge of the rotor channels according to decreasing static pressure.

The flow channels open at the outer edge of the rotor in nozzle-like openings 13 , The edge of the rotor rotates in an annular gap formed by an upper concave edge attached to the hood 14 arises as well as a lower edge with a convex profile 15 , which is a circular disc-like base releasably attached to the axle 16 stop.

Both edge surfaces together form a downwardly open annular channel 17 , the above and below the rotating rotor rim ever an upper annular gap 18 and a lower annular gap 19 leaves about the same width, comparable to the axial section of a jet apparatus.

That from the openings 13 of the rotor in the mixing area 20 of the ring channel 17 flowing fluid 30 can coincide with the same time through the annular gaps 18 . 19 inflowing and leaving through the outlet area 21 of the annular channel the thruster in the form of a tubular jet, the axial thrust force by appropriate adjustment of the annular gap 18 . 19 and the speed of the rotor of the respective task can be adapted.

Self-rotation of the thruster control flow sheets 22 in the outlet area of the annular channel around radial, horizontal axes 23 are arranged adjustable movable. They also allow horizontal translational movements with the thruster.

Possibly occurring axial vibrations of the plane of the rotor 11 limit Stüzrollen mounted on the disc-like floor 24 which are arranged on a circle so that the amplitude of possible vibrations of the rotor plane remains limited.

The disc-like ground 16 under the rotor snaps in the areas of the flow sheets 25 in the lower edge of the hood 26 positive and non-positive, 5 , thereby preventing its tilting or twisting relative to the axis 10 , This ensures that the in the middle of the floor below the rotor in the loading area 37 arranged drive and control devices, as well as the energy supply unimpaired to fulfill their function.

The inflow of the fluid takes place at the top of the hood. In this case, the upper annular gap 18 through the lower ring opening 27 the hood with the subset 28 supplied and the lower annular gap 19 by a subset of the fluid passing through the upper inlet port 29 the hood after branching off the crowd 30 for the rotor through the rotor hub area 31 and then flows in below the rotor, this fluid portion 32 can also take over any cooling tasks.

Friction-reducing thrust bearings absorb the axial forces of the rotor, a lower bearing 35 as well as an upper bearing 36 , wherein by equally thick washers, (a lower 34 and two upper ones 33 ) the annular gaps 18 . 19 are adjustable.

The rotor is driven by the engine and gearbox in the loading area 37 are arranged below the rotor. For decelerating the rotor is a freewheel grinding clutch 38 provided on the axially guided rotor 11 is put on before the axle with the hood at the upper axle end 39 is connected, so that the positive connection of hood 9 and disc bottom 16 in the fields of 25 . 26 the control sheets 22 created by placing the hood.

H

enthalpy of the fluid

p1

ambient pressure

p2, p3

Press lower as p1 with p3 <p0

s

entropy of the fluid

1

environmental condition

2

admission condition in rotor

3

exit state from rotor

4

Status after mixing

5

Status in the tube-like jet

6

Jet velocity energy

7

total process energy

8th

entropy of the fluid

9

Hood

10

supporting rotor axis

11

rotor

12

radial flow channel

13

nozzle-like opening

14

concave Annulus area on hood

15

convex Annulus area on the ground

16

disk-like rotor base

17

annular channel

18

upper annular gap

19

lower annular gap

20

mixing area for fluid

21

discharge area with conical lateral surfaces

22

Flow control sheet

23

radial horizontal leaf axis

24

supporting role

25

floor area for positive locking

26

hood area for positive locking

27

lower Inlet opening in Hood

28

upper Fluid subset

29

upper Inlet opening in Hood

30

Fluid subset for rotor

31

rotor hub area

32

lower Fluid subset

33

upper washer

34

lower washer

35

lower axial bearing

36

upper axial bearing

37

loading area in the ground

38

Freewheel slip clutch

39

upper axle end

40

upward curved channel entry

41

upper Annular gap, concave

42

lower Annular gap, convex

43

common outlet channel

44

upper rotor

45

lower rotor

46

internal rotor

47

outer rotor

Claims (3)

Push and Tragkrafterzeuger, characterized in that in the near-natural inlet openings one of a horizontal, flat, circular, lightweight, dimensionally stable, sufficiently strong hood 9 enclosed on the upper side and about a detachably connected with this hood, vertical axis 10 rotating, also flat, almost disc-shaped, driven rotor 11 with radial, narrowing towards the outer edge flow channels 12 a fluid flows in and is accelerated in the channels such that, after emerging from the outer rotor edge located at the nozzle-like channel openings 13 when entering the downwardly curved annular, between hood and disc-shaped bottom 16 located mixing channel area 20 with additionally formed by above and below the outer rotor edge of the hood and disc-shaped bottom, adjustable annular gaps 18 . 19 sucked fluid can mix and when leaving the annular outlet channel 21 as a tubular jet an axial thrust according to the process progress 1 generated and its spin also by control sheets 22 in the flow channel and the engine speed is adjustable. A thruster according to claim 1, characterized in that its principle of action according to 1 also allows a cascade-like connection of an inner and an outer, then ring-like thruster, wherein the tubular exit jet of the inner rotor forms the inflow of the outer rotor according to the course of the channel 6 , wherein the inlet channel openings 40 of the outer rotor are designed annularly curved upward and the two rotors 46 . 47 can also rotate in opposite directions. A thruster according to claim 1, characterized in that a combination of two opposing such rotors can be made such that the flat undersides of the rotors 44 . 45 show each other and a corresponding annular gap 41 above the upper outer edge of the upper rotor 44 forms and forms a lower annular gap 42 under the lower outer edge of the lower rotor 45 forms, both as in 7 indicated in a common mixing and Ringauslaßkanal 43 lead.