IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0886594
(2013-05-03)
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등록번호 |
US-8801504
(2014-08-12)
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발명자
/ 주소 |
- Bowers, Charles W.
- Varghese, Ivin
- Balooch, Mehdi
|
출원인 / 주소 |
|
대리인 / 주소 |
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인용정보 |
피인용 횟수 :
1 인용 특허 :
18 |
초록
▼
A nozzle for providing carbon dioxide for cleaning is disclosed. The nozzle includes a reservoir for receiving liquid carbon dioxide, a barrel defining a passageway therethrough, the passageway extending to an outlet of the barrel, an orifice effecting fluid communication between the reservoir and t
A nozzle for providing carbon dioxide for cleaning is disclosed. The nozzle includes a reservoir for receiving liquid carbon dioxide, a barrel defining a passageway therethrough, the passageway extending to an outlet of the barrel, an orifice effecting fluid communication between the reservoir and the passageway, and a screen member constructed and arranged for interrupting flow of the carbon dioxide pellets greater than a select size from being emitted from the passageway of the barrel. Liquid carbon dioxide flows through the orifice to phase transfer into gaseous carbon dioxide and carbon dioxide pellets in the passageway. An internal diameter of the passageway is smaller than an internal diameter of the reservoir.
대표청구항
▼
1. A nozzle for providing carbon dioxide for cleaning, comprising: a reservoir for receiving liquid carbon dioxide;a barrel defining a passageway therethrough, the passageway extending to an outlet of the barrel, an internal diameter of the passageway being smaller than an internal diameter of the r
1. A nozzle for providing carbon dioxide for cleaning, comprising: a reservoir for receiving liquid carbon dioxide;a barrel defining a passageway therethrough, the passageway extending to an outlet of the barrel, an internal diameter of the passageway being smaller than an internal diameter of the reservoir;an orifice effecting fluid communication between the reservoir and the passageway, and through which the liquid carbon dioxide flows to phase transfer into gaseous carbon dioxide and carbon dioxide pellets in the passageway;a screen member constructed and arranged for interrupting flow of the carbon dioxide pellets greater than a select size from being emitted from the passageway of the barrel; andthe barrel further comprises a plurality of apertures extending therethrough a wall of the barrel. 2. The nozzle of claim 1, wherein the screen member is disposed in the passageway. 3. The nozzle of claim 1, wherein the screen member is disposed at the outlet of the barrel. 4. The nozzle of claim 1, wherein the screen member comprises a plurality of elongated slots extending therethrough. 5. The nozzle of claim 4, wherein the plurality of elongated slots are of different lengths. 6. The nozzle of claim 1, wherein the screen member comprises a plurality of channels extending therethrough. 7. The nozzle of claim 6, wherein at least one of the plurality of channels has a size different than others of the plurality of channels. 8. The nozzle of claim 1, wherein the screen member comprises a collar portion mountable to the barrel at the outlet. 9. The nozzle of claim 8, wherein the collar portion is removably mountable to the barrel at the outlet. 10. The nozzle of claim 1, further comprising: an electrical insulator mounted to the barrel; and a voltage source connected to the screen member for actuation to mitigate electro-static charges of the carbon dioxide pellets. 11. The nozzle of claim 1, wherein each one of the plurality of apertures having a first end open at the passageway and angled toward the orifice, and a second end opposite the first end and open to an exterior of the barrel, the plurality of apertures venting at least a portion of the gaseous carbon dioxide from the passageway. 12. The nozzle of claim 11, wherein the screen member is mounted to the outlet of the barrel downstream from the plurality of apertures. 13. The nozzle of claim 11, wherein the orifice comprises an outwardly concave surface proximate the passageway. 14. The nozzle of claim 11, further comprising an electrical insulator mounted to the barrel and a voltage source connected to the screen member for actuation to mitigate electro-static charges of the carbon dioxide pellets. 15. The nozzle of claim 1, wherein the reservoir comprises a diameter which is reduced in size closer to the orifice. 16. A nozzle for providing carbon dioxide for cleaning, comprising: a housing having an outlet;a reservoir for liquid carbon dioxide within the housing, an internal diameter of the outlet being smaller than an internal diameter of the reservoir, the reservoir being in communication with the outlet and having a reduced diameter approaching the outlet for facilitating the phase transfer of the liquid carbon dioxide into gaseous carbon dioxide and carbon dioxide pellets; anda screen member disposed downstream in a direction of carbon dioxide flow from the outlet for interrupting flow of carbon dioxide pellets greater than a select size from being emitted from the screen member. 17. The nozzle of claim 16, wherein the screen member is removably mountable to the housing at the outlet. 18. The nozzle of claim 16, wherein the screen member comprises a plurality of holes selected from slots and channels. 19. The nozzle of claim 16, wherein an exterior of the housing proximate the outlet comprises a truncated surface area. 20. The nozzle of claim 16, wherein the outlet comprises a concave surface facing the reservoir. 21. The nozzle of claim 16, wherein the outlet comprises a concave surface area facing an exterior of the housing. 22. The nozzle of claim 21, further comprising: a barrel extending from the housing and having a passageway therethrough extending to a barrel outlet, the passageway in communication with the housing outlet and through which the liquid carbon dioxide passes to phase transfer into gaseous carbon dioxide and carbon dioxide pellets in the passageway;a plurality of apertures extending through the barrel, each one of the plurality of apertures having a first end open at the passageway and angled toward the reservoir, and a second end opposite the first end and open to an exterior of the barrel, the plurality of apertures venting at least a portion of the gaseous carbon dioxide from the passageway. 23. The nozzle of claim 22, further comprising an electrical insulator mounted to the barrel, and a voltage source connected to the barrel for actuation to mitigate electro-static charges of the carbon dioxide pellets. 24. A nozzle for providing carbon dioxide for cleaning, comprising: a reservoir for receiving liquid carbon dioxide;a barrel defining a passageway therethrough, the passageway extending to an outlet of the barrel, the barrel being free from overlap with the reservoir along a longitudinal axis of the barrel;an orifice effecting fluid communication between the reservoir and the passageway, and through which the liquid carbon dioxide flows to phase transfer into gaseous carbon dioxide and carbon dioxide pellets in the passageway; anda screen member constructed and arranged for interrupting flow of the carbon dioxide pellets greater than a select size from being emitted from the passageway of the barrel; andthe barrel further comprises a plurality of apertures extending therethrough a wall of the barrel.
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