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(12) Patent: | (11) CA 2210958 |
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(54) English Title: | BUSETTE DE SOUFFLAGE D'AIR SECONDAIRE DANS UN FOYER DE COMBUSTION |
(54) French Title: | NOZZLE FOR BLOWING SECONDARY AIR INTO A COMBUSTION CHAMBER |
Status: | Expired and beyond the Period of Reversal |
(51) International Patent Classification (IPC): |
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(72) Inventors : |
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(73) Owners : |
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(71) Applicants : |
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(74) Agent: | ROBIC AGENCE PI S.E.C./ROBIC IP AGENCY LP |
(74) Associate agent: | |
(45) Issued: | 2000-10-10 |
(22) Filed Date: | 1997-07-30 |
(41) Open to Public Inspection: | 1998-01-31 |
Examination requested: | 1997-07-30 |
Availability of licence: | N/A |
Dedicated to the Public: | N/A |
(25) Language of filing: | French |
Patent Cooperation Treaty (PCT): | No |
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(30) Application Priority Data: | ||||||
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This invention concerns a nozzle for blowing secondary air into a combustion chamber having a rectangular-section box (6) consisting of four walls opposite one another two by two called the first walls (6A) and second walls (6B) and capable of being turned by a control device on an axis known as axis of rotation (7) traversing the said first walls (6A), the box being open on two opposite sides (6C, 6D), the one being the air inlet side (6D) and the other being the outlet side (6C) for this air for the combustion chamber. An assembly (12) with louvres perpendicular to the second walls (6B) is located in the box (6), each louvre (12A, 12B) capable of being turned by an actuating system on respectively an axis (13) perpendicular to the axis of rotation and cutting across it.
La présente invention concerne une busette de
soufflage d'air secondaire dans un foyer de combustion
comportant un caisson (6) de section rectangulaire constitué
de quatre parois en vis à vis deux à deux dites premières
parois (6A) et secondes parois (6B) et pouvant être tourné
au moyen d'un organe de commande selon un axe dit axe de
rotation (7) traversant lesdites premières parois (6A), le
caisson étant ouvert sur deux faces opposées (6C, 6D), l'une
étant la face d'entrée (6D) de l'air et l'autre la face de
sortie (6C) de cet air dans le foyer. Une structure (12) de
volets perpendiculaires aux secondes parois (6B) est
disposée dans le caisson (6), chacun des volets (12A, 12B)
pouvant être tourné grâce à un agencement d'actionnement
selon respectivement un axe (13) perpendiculaire à l'axe de
rotation et coupant celui-ci.
Note: Claims are shown in the official language in which they were submitted.
Note: Descriptions are shown in the official language in which they were submitted.
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Description | Date |
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Time Limit for Reversal Expired | 2003-07-30 |
Letter Sent | 2002-07-30 |
Grant by Issuance | 2000-10-10 |
Inactive: Cover page published | 2000-10-09 |
Inactive: Final fee received | 2000-07-11 |
Pre-grant | 2000-07-11 |
Notice of Allowance is Issued | 2000-06-08 |
Letter Sent | 2000-06-08 |
Notice of Allowance is Issued | 2000-06-08 |
Inactive: Approved for allowance (AFA) | 2000-05-11 |
Application Published (Open to Public Inspection) | 1998-01-31 |
Inactive: IPC assigned | 1997-10-15 |
Classification Modified | 1997-10-15 |
Inactive: IPC assigned | 1997-10-15 |
Inactive: First IPC assigned | 1997-10-15 |
Inactive: Filing certificate - RFE (French) | 1997-09-29 |
Letter Sent | 1997-09-29 |
Application Received - Regular National | 1997-09-29 |
Request for Examination Requirements Determined Compliant | 1997-07-30 |
All Requirements for Examination Determined Compliant | 1997-07-30 |
There is no abandonment history.
The last payment was received on 2000-06-20
Note : If the full payment has not been received on or before the date indicated, a further fee may be required which may be one of the following
Patent fees are adjusted on the 1st of January every year. The amounts above are the current amounts if received by December 31 of the current year.
Please refer to the CIPO
Patent Fees
web page to see all current fee amounts.
Fee Type | Anniversary Year | Due Date | Paid Date |
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Request for examination - standard | 1997-07-30 | ||
Registration of a document | 1997-07-30 | ||
Application fee - standard | 1997-07-30 | ||
MF (application, 2nd anniv.) - standard | 02 | 1999-07-30 | 1999-06-16 |
MF (application, 3rd anniv.) - standard | 03 | 2000-07-31 | 2000-06-20 |
Final fee - standard | 2000-07-11 | ||
MF (patent, 4th anniv.) - standard | 2001-07-30 | 2001-06-18 |
Note: Records showing the ownership history in alphabetical order.
Current Owners on Record |
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GEC ALSTHOM STEIN INDUSTRIE |
Past Owners on Record |
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DANIEL BURIDANT |