US3171600A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liquid spraying apparatus
Assignee: Individual
•
Filing: 1962-12-31
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Granted: 1965-03-02
•
Expires: 1982-12-31
Abstract
No abstract record available.
Inventors
- 👤 Eddy W Eckey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:25
CPC Classifications
B; B01; B01D; B01D47/00; B01D47/06; B01D47/08; B01D47/085
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
152 words
AN APPARATUS FOR SPRAYING A CURTAIN OF LIQUID DROPLETS THROUGH A STREAM OF MOVING GAS WHICH COMPRISES A ROTATABLE IMPELLER, MEANS SUPPORTING SAID IMPELLER FOR ROTATION ABOUT A GENERALLY HORIZONTAL AXIS, SAID IMPELLER HAVING A CAVITY INSIDE THEREOF, A PAIR OF SPACED PLATES DEFINING FRONT AND REAR FACES OF SAID IMPELLER, SAID FRONT PLATE DEFINING AN INLET TO ADMIT LIQUID AXIALLY INTO SAID CAVITY, A PLURALITY OF CONTIGUOUS MEMBERS POSITIONED BETWEEN SAID PLATES TO FORM A RIM OUTSIDE OF SAID CAVITY, SAID PLATES AND SAID MEMBERS BEING CONNECTED TOGETHER AGAINST ROTATION RELATIVE TO EACH OTHER, SAID MEMBERS DEFINING A PLURALITY OF ELONGATED TORTUOUS PASSAGES EXTENDING THROUGH SAID RIM FROM SAID CAVITY TO THE IMPELLER PERIPHERY TO RETARD AND EFFECT A PLURALITY OF DIRECTION CHANGES IN THE OUTWARD AND UPWARD CENTRIFUGAL FLOW OF SAID LIQUID WHEN THE IMPELLER IS ROTATED SO THAT SAID LIQUID IS SPRAYED SUBSTANTIALLY UNIFORMLY FROM THE ENTIRE EXPOSED PERIPHERY
Claim 2
Independent Claim
152 words
AN APPARATUS FOR SPRAYING A CURTAIN OF LIQUID DROPLETS THROUGH A STREAM OF MOVING GAS WHICH COMPRISES A ROTATABLE IMPELLER, MEANS SUPPORTING SAID IMPELLER FOR ROTATION ABOUT A GENERALLY HORIZONTAL AXIS, SAID IMPELLER HAVING A CAVITY INSIDE THEREOF, A PAIR OF SPACED PLATES DEFINING FRONT AND REAR FACES OF SAID IMPELLER, SAID FRONT PLATE DEFINING AN INLET TO ADMIT LIQUID AXIALLY INTO SAID CAVITY, A PLURALITY OF CONTIGUOUS MEMBERS POSITIONED BETWEEN SAID PLATES TO FORM A RIM OUTSIDE OF SAID CAVITY, SAID PLATES AND SAID MEMBERS BEING CONNECTED TOGETHER AGAINST ROTATION RELATIVE TO EACH OTHER, SAID MEMBERS DEFINING A PLURALITY OF ELONGATED TORTUOUS PASSAGES EXTENDING THROUGH SAID RIM FROM SAID CAVITY TO THE IMPELLER PERIPHERY TO RETARD AND EFFECT A PLURALITY OF DIRECTION CHANGES IN THE OUTWARD AND UPWARD CENTRIFUGAL FLOW OF SAID LIQUID WHEN THE IMPELLER IS ROTATED SO THAT SAID LIQUID IS SPRAYED SUBSTANTIALLY UNIFORMLY FROM THE ENTIRE EXPOSED PERIPHERY
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-03-01 | 1968-08-31 | 1969-03-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-01 | 1972-08-31 | 1973-03-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-01 | 1976-08-31 | 1977-03-02 | $7700.00 | Window Closed / Lapsed |