IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0291563
(2016-10-12)
|
등록번호 |
US-10060824
(2018-08-28)
|
발명자
/ 주소 |
- Okerson, Ryan
- Doyle, Andrew
- Close, Cameron
- Finodeyev, Filip
- Giegel, Joshua
- Hosseini, Kaveh
|
출원인 / 주소 |
- HYPERLOOP TECHNOLOGIES, INC.
|
대리인 / 주소 |
Greenblum & Bernstein, P.L.C.
|
인용정보 |
피인용 횟수 :
0 인용 특허 :
7 |
초록
▼
An adjustable variable atmospheric condition testing apparatus for testing an object includes an outer chamber, an inner chamber positioned inside and in fluid communication with the outer chamber, a vacuum pump configured to remove gas from the inner and outer chambers, and further configured to ex
An adjustable variable atmospheric condition testing apparatus for testing an object includes an outer chamber, an inner chamber positioned inside and in fluid communication with the outer chamber, a vacuum pump configured to remove gas from the inner and outer chambers, and further configured to expel the removed gas via an exhaust, an intake configured to selectively introduce gas from ambient into the inner chamber via a valve, such that the introduced gas interacts with the object, and a sensor positioned downstream of the object and configured to detect a characteristic of the gas interacting with the object.
대표청구항
▼
1. An adjustable variable atmospheric condition testing apparatus for testing an object, the apparatus comprising: an outer chamber;an inner chamber positioned in and at the same pressure as the outer chamber;a vacuum pump configured to remove gas from the inner and outer chambers, and further confi
1. An adjustable variable atmospheric condition testing apparatus for testing an object, the apparatus comprising: an outer chamber;an inner chamber positioned in and at the same pressure as the outer chamber;a vacuum pump configured to remove gas from the inner and outer chambers, and further configured to expel to ambient the removed gas via an exhaust;an intake configured to selectively introduce gas from ambient into the inner chamber via a valve, such that the introduced gas interacts with the object;a sensor positioned downstream of the object and configured to detect a characteristic of the gas interacting with the object; andan inwardly-tapering nozzle positioned in the inner chamber and having opposed walls between which the gas introduced by the intake can flow before interacting with the object, wherein at least one wall of the opposed walls is movable such that a distance between the opposed walls is adjustable, and such that a velocity of gas introduced by the intake is adjustable during the introduction of gas into the inner chamber. 2. The apparatus according to claim 1, wherein the opposed walls define two walls of the inner chamber. 3. The apparatus according to claim 1, further comprising a second sensor positioned upstream of the object and configured to detect a second characteristic of the gas introduced by the intake and before interacting with the object. 4. The apparatus according to claim 1, further comprising a flow conditioner positioned upstream of the inner chamber and configured to condition a flow of the gas introduced by the intake to achieve a certain characteristic. 5. The apparatus according to claim 1, wherein the vacuum pump comprises a plurality of vacuum pumps. 6. The apparatus according to claim 1, wherein the sensor is configured to move in at least one direction orthogonal to a direction of the flow of gas in the inner chamber. 7. The apparatus according to claim 1, wherein the sensor is configured to move in a plane orthogonal to a direction of the flow of gas in the inner chamber. 8. The apparatus according to claim 1, wherein the sensor is configured to move in three dimensions. 9. The apparatus according to claim 1, wherein the nozzle is configured to control a flow of gas in the inner chamber within a range of 0.3-2.0 Mach. 10. The apparatus according to claim 1, wherein at least one of the vacuum pump and the intake are configured to control a gas pressure within the inner chamber within a range of 1 Pa to 15,000 Pa. 11. The apparatus according to claim 1, wherein the apparatus is configured to operate continuously. 12. The apparatus according to claim 1, wherein the characteristic of the gas interacting with the object is at least one of force, lift, drag, moment, pressure, temperature, velocity and flow field. 13. A method for testing an object under variable atmospheric conditions in a chamber, the method comprising: selecting a nozzle geometry that allows a required mach range;closing an intake upstream of the chamber;activating a pump downstream of the chamber to remove gas from the chamber;opening the intake to reach equilibrium with the pump at a test pressure and to introduce a flow of the gas within the chamber such that the gas flow interacts with the object;detecting a characteristic of the gas interacting with the object. 14. The method according to claim 13, further comprising adjusting, after the opening of the intake, a flow rate of the gas within the chamber by adjusting at least one wall within the chamber in a direction orthogonal to the gas flow direction. 15. The method according to claim 14, further comprising adjusting, after the opening of the intake, a second flow rate of the gas within the chamber by again adjusting at least one wall within the chamber in a direction orthogonal to the gas flow direction and during the flow of gas within the chamber. 16. The method according to claim 13, further comprising adjusting, after the opening of the intake, the sensor along at least one axis. 17. The method according to claim 13, wherein the characteristic of the gas interacting with the object is at least one of force, lift, drag, moment, pressure, temperature, velocity and flow field. 18. The method according to claim 13, further comprising conditioning a flow of the gas introduced by the intake.
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