Method and device for conveying media

• US 20030175138A1
• Filed: 03/12/2003
• Published: 09/18/2003
• Est. Priority Date: 09/14/2000
• Status: Active Grant

• Current Assignee: Qonqave GmbH
• Original Assignee: Jan W. Beenker
• Inventors: Beenker, Jan W.
• Granted Patent: US 7,040,869 B2
• Time in Patent Office: Days
• US Class Current: 417/474
• CPC Class Codes: F04B 43/023 double acting plate-like flexible member
• CPC Class Codes: F04B 43/028 with in- or outlet valve arranged in the plate-like flexible member valve arranged in the piston F04B53/12
• CPC Class Codes: F04B 43/123 using an excenter as the squeezing element
• CPC Class Codes: F04B 43/14 having plate-like flexible members

Abstract

Disclosed is a method and a machine (displacement machine or similar) used to convey transportable media (gaseous, liquid, pasty or trickling). The drive produces a migrating wave.

Claims

1. Process for feeding feedable material (gaseous, fluid, pasty or granular) within a working chamber comprising at least one inlet and one outlet aperture as well as at least one elastically yielding wall element of the working chamber activated by driving means in a direction perpendicular or parallel to the feeding direction of the material, characterized by the fact that the driving is performed in a pulsating wave mode, thus generating within the material a defined directional migrating wave within the material for its feeding.

2. Machine especially for performing the process as in claim 1, comprising a working chamber (14, 16, 25, 27 to 30, 46, 47) located in the feeding direction for feeding a material between an inlet aperture and an outlet aperture (15, 16, 25, 27, to 30, 46, 47) and presenting at least one elastically yielding wall element (11, 19, 39, 41, 44), as well as at least one driving Machine (2 to 10, 21 to 26) acting on the elastically yielding wall element (11, 19, 39, 41, 44) and thus on the material to generate a “

migrating wave”

within the material betwenn the inlet and outlet aperture (15, 16, 25, 27 to 30, 46, 47) characterized by the fact that the driving Machine (2 to 10;

21 to 26) generates a pulsating action on the deformable wall member (11, 19, 39, 41, 44) and thus on the material, so that a “

migrating wave”

is generated in the material between inlet and outlet aperture (15, 16, 25, 27 to 30, 46, 47).

3. Machine according to claim 2 wherein the elastically yielding wall elements (10, 11, 19) in combination with mostly fixed wall element (13;

24) located opposite the elastically yielding wall element and enclosing a working chamber (14;

26;

31, 32) build a sealing line migrating perpendicular to the feeding direction (by the approaching of the wall element), (FIG. 1 to 5).

4. Machine according to claim 3 wherein the elastically yielding wall elements (11;

19) comprise sections (17, 18) acting as valves for the inlet aperture and outlet aperture (15, 16, 25). (FIG. 1 to 4)

5. Machine as in claim 3 or 4 wherein the sealing line (feeding barrier) built up between the elastically yielding wall element (11;

19) ad the fixeded wall element (13;

20) by the driving device (2 to 10;

21 to 26) migrates in the feeding direction (V) of the material.

6. Machine according to one of claims 2 through 5 wherein at least part of the elastically yielding wall element (11;

19) comprises a membrane activated by the driving device (2 to 10;

21 to 26) in a pulsating mode to generate a migrating wave within the material.

7. Machine according to one of claims 2 to 6 wherein a rod element (5) is provided transmitting a stroke movement to the elastically yielding wall elements (10, 11, 19), as well as guide means (7) guiding the rod element(5) during its stroke movement in a predetermined way for generating the migrating wave so that the rod element (5) respectively its far end acting on the elastically yielding wall element (11;

19) for generating a tilting movement perpendicular to the feeding direction in addition to the stroke movement produced by the driving device (2) (FIG. 1 to 4).

8. Machine according to claim 7 wherein a form-locking block (8) yielding in a dirction perpendicular to the stroke movement is provided for transmitting the stroke/tilting movement generating the migrating wave to the elastically yielding wall element (11).

9. Machine as in claim 8 wherein the form-locking block (8) comprises a sliding piece located between the far end of the rod element (5) and the elastically yielding wall elements (10, 11).

10. Machine according to claims 7, 8 or 9 wherein the form-locking block (8, 9) has a beam-like elongated rectangular shape extending in a direction perpendicular to the feeding direction.

11. Machine according to one of claims 7 through 10 wherein a resilient plate (10) generating the movements of the elastically yielding wall elements (11) is provided between the form-locking block (8) and the elastically yielding wall elements (11).

12. Machine as in claim 11 wherein the resilient plate (10) comprises elastic materials (metal or reinforced plastic material etc.).

13. Machine according to one of claims 2 through 6 wherein the pulsating work (driving device) is performed by a plurality of driving elements (22) acting on the elastically yielding wall element (19) in a direction perpendicular to the feeding direction (V) and disposed one behind the other for transmitting the pulsating driving forces to the elastically deformable wall element (19) in a controlled mode.

14. Machine as in claim 13 wherein the elastically yielding wall element comprises a membrane (19) presenting an elongated shape according to the driving device having several driving elements (21, 22).

15. Machine as in claim 14 comprising a drive including a camshaft (21) and several cams (22) interacting with sliding blocks (23 through 26), which act on the membrane (19) at least indirectly.

16. Machine as in claim 14 comprising a housing (20) having a tubular and wherein the tubular wall (20;

33) constitutes the fixed wall element.

17. Machine according to one of the preceding claims wherein two membranes (19) are provided in the tubular housing (20) parallel to each other and where a diagonally acting driving device (21 to 26) is located between these membranes (19;

FIG. 5 and 6).

18. Machine according to one of the preceding claims wherein the working chamber (31) of the tubular housing (33) has a circular cross section. (FIG. 6)

19. Machine according to one of claims 2 through 17 wherein magnetic forces or piezo forces serve as an at least indirectly acting driving device.

20. Machine according to claim 19 wherein the magnetic or piezo forces are elecrically generated and/or controled.

21. Machine according to claim 19 or 20 wherein the elastically yielding wall element comprises magnetizable material.

22. Machine according to claim one of the preceding claims comprising means for serving as a boat-driving engine.

23. Machine according to claim 22 wherein the boat-driving engine is located in or outside a boat hull comprising an inlet aperture (46) located below water level, a corresponding outlet aperture (47) at the stem of the boat and a working chamber (45) between them (FIG. 8).

24. Machine according to one of the preceding claims wherein the elastically yielding wall element (39;

41) comprises a membrane which is fixededly clamped along its peripheral area (42) and which independently of its working position presents a curved shape insuring a permanently neutral buckling/stretching behaviour (FIG.

     7).

25. Machine according to claim 24 wherein the membrane (7.1 to 7.4 in FIG. 7) comprises hydraulic or pneumatic profile elements so that the membrane can perform continuous wave movements by itself.

26. Machine according to one of claims 19 to 25 wherein the membrane comprises flexible elongated and flat or fibre-shaped piezo-elements incorporated in the membrane.