IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
UP-0505860
(2003-02-24)
|
등록번호 |
US-7544508
(2009-07-01)
|
우선권정보 |
FR-02 02558(2002-02-28) |
국제출원번호 |
PCT/FR03/000592
(2003-02-24)
|
§371/§102 date |
20050311
(20050311)
|
국제공개번호 |
WO03/072941
(2003-09-04)
|
발명자
/ 주소 |
- Cinquin, Philippe
- Cinquin, Olivier
|
출원인 / 주소 |
- Universite Joseph Fourier
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
0 인용 특허 :
8 |
초록
▼
An actuator for arrangement in contact with a biological solvent includes a housing with a wall which is permeable to the solvent and not permeable to a first solute and which contains micro-organisms for transforming a second solute into the first solute. The actuator further includes a deformable
An actuator for arrangement in contact with a biological solvent includes a housing with a wall which is permeable to the solvent and not permeable to a first solute and which contains micro-organisms for transforming a second solute into the first solute. The actuator further includes a deformable chamber connected to the housing which can increase in volume due to the solvent entering the housing by osmosis. An engine may make use of the actuator.
대표청구항
▼
The invention claimed is: 1. An actuator to be arranged in contact with a biological solvent, comprising: an enclosure formed by a wall permeable to the solvent and non-permeable to a first solute, said enclosure containing microorganisms capable of transforming a second solute present in said encl
The invention claimed is: 1. An actuator to be arranged in contact with a biological solvent, comprising: an enclosure formed by a wall permeable to the solvent and non-permeable to a first solute, said enclosure containing microorganisms capable of transforming a second solute present in said enclosure into the first solute; and a deformable chamber in fluid communication with the enclosure, wherein, in response to the transformation of the second solute into the first solute by said microorganisms within said enclosure, the solvent penetrates into the enclosure by osmosis and into said deformable chamber, thereby increasing the volume of said deformable chamber. 2. The actuator of claim 1, wherein the enclosure comprises a bundle of hollow fibers colonized by the microorganisms. 3. The actuator of claim 1, wherein said wall of the enclosure is permeable to the second solute. 4. The actuator of claim 1, wherein the wall of the enclosure is non-permeable to the second solute, and wherein the microorganisms are capable of transforming a number of particles of the second solute into a higher number of particles of the first solute. 5. A motor comprising an actuator, said actuator comprising: an enclosure formed by a wall permeable to the solvent and non-permeable to a first solute, said enclosure containing microorganisms capable of transforming a second solute present in said enclosure into the first solute; and a deformable chamber in fluid communication with the enclosure, wherein, in response to the transformation of the second solute into the first solute by said microorganisms within said enclosure, the solvent penetrates into the enclosure by osmosis and into said deformable chamber, thereby increasing the volume of said deformable chamber, and wherein the chamber comprises a return means which opposes to the volume increase of the chamber and a controllable means for decreasing the osmotic pressure in the chamber. 6. A motor comprising an actuator, said actuator comprising: an enclosure formed by a wall permeable to the solvent and non-permeable to a first solute, said enclosure containing microorganisms capable of transforming a second solute present in said enclosure into the first solute; and a deformable chamber in fluid communication with the enclosure, wherein, in response to the transformation of the second solute into the first solute by said microorganisms within said enclosure, the solvent penetrates into the enclosure by osmosis and into said deformable chamber, thereby increasing the volume of said deformable chamber, said motor further comprising a secondary enclosure having a portion permeable to the solvent and non-permeable to the particles of the first and second solutes, and containing microorganisms capable of transforming a number of particles of the second solute into a smaller number of particles of the first solute, said secondary enclosure being connected to the chamber by a valve. 7. The motor of claim 5, wherein the enclosure is arranged in a deformable envelope containing the solvent and the first solute, the means for decreasing the osmotic pressure in the chamber being a valve capable of permitting communication between the chamber and the envelope. 8. The motor of claim 7, wherein the envelope comprises microorganisms capable of transforming a number of particles of the second solute into a smaller number of particles of the first solute. 9. The motor of claim 8, comprising a means for permitting communication between the envelope and a source for supplying substances necessary to the metabolism of the microorganisms. 10. The motor of claim 9, wherein the communication means comprises a bundle of hollow fibers crossing the envelope and in which a fluid containing said substances can circulate. 11. The motor of claim 6, wherein the enclosure is arranged in a deformable envelope containing the solvent and the first solute, the means for decreasing the osmotic pressure in the chamber being a valve capable of permitting communication between the chamber and the envelope. 12. The motor of claim 11, wherein the envelope comprises microorganisms capable of transforming a number of particles of the second solute into a smaller number of particles of the first solute. 13. The motor of claim 12, comprising a means for permitting communication between the envelope and a source for supplying substances necessary to the metabolism of the microorganisms. 14. The motor of claim 13, wherein the communication means comprises a bundle of hollow fibers crossing the envelope and in which a fluid containing said substances can circulate. 15. The actuator of claim 1, further comprising: a junction defining a passage between said enclosure and said deformable chamber; and a semi-permeable membrane at said junction and closing said passage. 16. The actuator of claim 15, wherein said membrane is permeable to said first solute and non-permeable to said microorganisms. 17. The motor of claim 5, further comprising: a junction defining a passage between said enclosure and said deformable chamber; and a semi-permeable membrane at said junction and closing said passage, said membrane being permeable to said first solute and non-permeable to said microorganisms. 18. The motor of claim 6, further comprising: a junction defining a passage between said enclosure and said deformable chamber; and a semi-permeable membrane at said junction and closing said passage, said membrane being permeable to said first solute and non-permeable to said microorganisms.
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