US4909914A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reaction apparatus which introduces one reacting substance within a convergent-divergent nozzle
Assignee: Canon Inc
•
Filing: 1987-05-21
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Granted: 1990-03-20
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Expires: 2007-05-21
Abstract
Abstract A reaction apparatus is provided which comprises a flow control system provided with a convergent-divergent nozzle. This nozzle is operated under the optimum expansion condition, and the differential coefficient of the streamline of the channel inside the nozzle varies continuously and reaches zero at a throat of the nozzle.
Inventors
- 👤 Yuji Chiba
- 👤 Kenji Ando
- 👤 Tatsuo Masaki
- 👤 Masao Sugata
- 👤 Kuniji Osabe
- 👤 Osamu Kamiya
- 👤 Hiroyuki Sugata
- 👤 Toshiaki Kimura
- 👤 Masahiro Haruta
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 11:06
CPC Classifications
C; C23; C23C; C23C16/00; C23C16/44; C23C16/455; C23C16/45563; B; B01; B01J; B01J19/00; B01J19/26; C23C14/00; C23C14/22; C23C14/228; C23C14/48; C23C16/45582; C23C16/45585; C23C8/00; C23C8/06; C23C8/36; H; H05; H05H; H05H1/00; H05H1/24; H05H1/26; H05H1/32; H05H1/34; H05H1/3484; B01J2219/00; B01J2219/00049; B01J2219/00051; B01J2219/00054; B01J2219/00056; B01J2219/00065; B01J2219/00162; B01J2219/00164; B01J2219/00245
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
85 words
Apparatus for reacting a first substance with a second substance, comprising a convergent-divergent nozzle including a pair of electrodes, means for creating an electric field between the electrodes to generate active particles in the first substance, and gas supply means arranged to supply to the nozzle a carrier gas with the first substance dispersed therein, the second substance being arranged to react with the first substance issuing from the nozzle, wherein the electrodes comprise longitudinally separated halves of the nozzle with electrically insulating material therebetween.
Claim 2
Dependent Claim
85 words
Apparatus for reacting a first substance with a second substance, comprising a convergent-divergent nozzle including a pair of electrodes, means for creating an electric field between the electrodes to generate active particles in the first substance, and gas supply means arranged to supply to the nozzle a carrier gas with the first substance dispersed therein, the second substance being arranged to react with the first substance issuing from the nozzle, wherein the electrodes comprise longitudinally separated halves of the nozzle with electrically insulating material therebetween.
Claim 3
Dependent Claim
94 words
Apparatus for reacting a first substance with a second substance, comprising a convergent-divergent nozzle including a pair of electrodes, means for creating an electric field between the electrodes to generate active particles in the first substance, and gas supply means arranged to supply to the nozzle a carrier gas with the first substance dispersed therein, the second substance being arranged to react with the first substance issuing from the nozzle, wherein the electrodes comprise coated or plated layers on the inner surface of the nozzle, the nozzle being formed of any electrically insulating material.
Claim 4
Dependent Claim
94 words
Apparatus for reacting a first substance with a second substance, comprising a convergent-divergent nozzle including a pair of electrodes, means for creating an electric field between the electrodes to generate active particles in the first substance, and gas supply means arranged to supply to the nozzle a carrier gas with the first substance dispersed therein, the second substance being arranged to react with the first substance issuing from the nozzle, wherein the electrodes comprise coated or plated layers on the inner surface of the nozzle, the nozzle being formed of any electrically insulating material.
Claim 5
Independent Claim
84 words
A method of reacting a first substance with a second substance, the first substance comprising active particles, which method comprises passing a carrier gas with the first substance dispersed therein through a convergent-divergent nozzle comprising a pair of electrodes, creating an electric field between the electrodes to generate active particles in the first substance, and causing the first substance issuing from the nozzle to react with the second substance, wherein the electrodes comprise longitudinally separated halves of the nozzle with electrically insulating material therebetween.
Claim 6
Independent Claim
84 words
A method of reacting a first substance with a second substance, the first substance comprising active particles, which method comprises passing a carrier gas with the first substance dispersed therein through a convergent-divergent nozzle comprising a pair of electrodes, creating an electric field between the electrodes to generate active particles in the first substance, and causing the first substance issuing from the nozzle to react with the second substance, wherein the electrodes comprise longitudinally separated halves of the nozzle with electrically insulating material therebetween.
Claim 7
Independent Claim
93 words
A method of reacting a first substance with a second substance, the first substance comprising active particles, which method comprises passing a carrier gas with the first substance dispersed therein through a convergent-divergent nozzle comprising a pair of electrodes, creating an electric field between the electrodes to generate active particles in the first substance, and causing the first substance issuing from the nozzle to react with the second substance, wherein the electrodes comprise coated or plated layers on the inner surface of the nozzle, the nozzle being formed of an electrically insulating material.
Claim 8
Independent Claim
93 words
A method of reacting a first substance with a second substance, the first substance comprising active particles, which method comprises passing a carrier gas with the first substance dispersed therein through a convergent-divergent nozzle comprising a pair of electrodes, creating an electric field between the electrodes to generate active particles in the first substance, and causing the first substance issuing from the nozzle to react with the second substance, wherein the electrodes comprise coated or plated layers on the inner surface of the nozzle, the nozzle being formed of an electrically insulating material.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1993-03-19 | 1993-09-18 | 1994-03-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1997-03-19 | 1997-09-18 | 1998-03-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2001-03-19 | 2001-09-18 | 2002-03-20 | $7700.00 | Window Closed / Lapsed |