IPC분류정보
국가/구분 |
United States(US) Patent
등록
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국제특허분류(IPC7판) |
|
출원번호 |
US-0862979
(1997-05-23)
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발명자
/ 주소 |
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인용정보 |
피인용 횟수 :
24 인용 특허 :
21 |
초록
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An apparatus capable of producing carbon dioxide snowflakes for the purpose of cleaning optics and other delicate surfaces. Carbon dioxide tanks (10) send liquid carbon dioxide to nozzles (110) where the liquid is throttled into a mixture of carbon dioxide snowflakes and gas. The snowflakes grow as
An apparatus capable of producing carbon dioxide snowflakes for the purpose of cleaning optics and other delicate surfaces. Carbon dioxide tanks (10) send liquid carbon dioxide to nozzles (110) where the liquid is throttled into a mixture of carbon dioxide snowflakes and gas. The snowflakes grow as they move through drift tubes (120) and develop a soft, fluffy, structure capable of wiping a delicate optical surface clean without causing scratching. The flow of snowflakes and gas are scattered by a turbine head (152) which turns by means of a jet of nitrogen gas emerging from a tube (240). Both the nitrogen gas and carbon dioxide flows can be controlled by a nitrogen flow pneumatic valve (212) and a carbon dioxide flow pneumatic valve (42) respectively. Both of these pneumatic valves can ultimately be controlled by a computer (530).
대표청구항
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[ I claim:] [1.] A carbon dioxide snowflake producing apparatus, comprising:(a) a primary manifold, whereby liquid carbon dioxide can enter into said carbon dioxide snowflake producing apparatus,(b) a carbon dioxide flow pneumatic valve connected to said primary manifold, whereby the flow of liquid
[ I claim:] [1.] A carbon dioxide snowflake producing apparatus, comprising:(a) a primary manifold, whereby liquid carbon dioxide can enter into said carbon dioxide snowflake producing apparatus,(b) a carbon dioxide flow pneumatic valve connected to said primary manifold, whereby the flow of liquid carbon dioxide from said primary manifold can be interrupted,(c) a flexible large diameter carbon dioxide high pressure line connected to said carbon dioxide flow pneumatic valve, whereby liquid carbon dioxide can exit said carbon dioxide flow pneumatic valve,(d) a secondary manifold, connected to said flexible large diameter carbon dioxide high pressure line, having a plurality of outlets, whereby liquid carbon dioxide can exit said secondary manifold through the outlets,(e) a plurality of carbon dioxide flow manual metering valves connected to the outlets of said secondary manifold, whereby the flow of liquid carbon dioxide can be regulated,(f) a mounting plate connected to the outlet of said carbon dioxide flow manual metering valves, whereby said carbon dioxide flow manual metering valves may be supported,(g) a plurality of nozzles connected to said mounting plate so that each of said carbon dioxide flow manual metering valves regulates the flow of carbon dioxide through one of said nozzles, whereby liquid carbon dioxide is converted into carbon dioxide snowflakes,(h) a plurality of drift tubes con to said nozzles in a one to one fashion, whereby carbon dioxide snowflakes may grow as they pass through said drift tubes,(i) a turbine assembly connected to said mounting plate and positioned below the said drift tubes, whereby carbon dioxide snowflakes may be scattered into a variety of directions,(j) a tube connected to said mounting plate and positioned above said turbine assembly, whereby a jet of nitrogen gas may be directed toward said turbine assembly,(k) a turbine nitrogen gas manual metering valve connected to said mounting plate, whereby the flow of nitrogen gas to said tube may be controlled,(l) a nitrogen flow pneumatic valve connected to said turbine nitrogen gas manual metering valve, whereby a flow of nitrogen gas can be interrupted,(m) a nipple connected to said nitrogen flow pneumatic valve, whereby nitrogen gas may be injected,(n) a carbon dioxide flow solenoid valve connected to said carbon dioxide flow pneumatic valve, whereby a flow of control gas may be injected into said carbon dioxide flow pneumatic valve,(o) a nitrogen flow solenoid valve connected to said nitrogen flow pneumatic valve, whereby a flow of control gas may be injected into said nitrogen flow pneumatic valve,(p) a relay network electrically connected to said carbon dioxide flow solenoid valve and said nitrogen flow solenoid valve, whereby the solenoid valves may be opened or closed, and(q) a computer connected to said relay network, whereby control signals may be generated for said relay network.
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