Patent US4350302A successfully refreshed from Google Patents.
US4350302A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liquid spray nozzle
Assignee: Zurn Industries LLC
•
Filing: 1980-09-19
•
Granted: 1982-09-21
•
Expires: 2000-09-19
Abstract
Abstract A liquid spray nozzle including a body portion having a throat with a discharge orifice and first, second and third splash plates mounted in series below and coaxial with the orifice. The first and second splash plates having an axial opening formed therein and the third splash plate having a conical portion coaxial with the axial openings. Each of the first, second and third splash plates having a plurality of slots extending therethrough.
Inventors
- 👤 Martin V. Gruber
- 👤 Mahendra F. Doshi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:14
CPC Classifications
B; B05; B05B; B05B1/00; B05B1/26; B05B1/262; B05B1/265; Y; Y10; Y10S; Y10S261/00; Y10S261/11; Y10S285/00; Y10S285/921
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
186 words
A nozzle including a body portion having a throat with a discharge orifice, a first splash plate, means mounting said first splash plate below and coaxial with said discharge orifice, a second splash plate, means mounting said second splash plate below and coaxial with said first splash plate, a third splash plate, means mounting said third splash plate below and coaxial with said second splash plate, each of said first and second splash plates having an axial opening formed therein and said third splash plate including a conical portion coaxial with said axial openings, each of said first, second and third splash plates having a plurality of slots extending therethrough, said slots in said first and second splash plates being arcuate and parallel to the edge of the splash plate in which they are located, said arcuate slots being located radially outwardly of said axial opening in each of said first and second splash plates and extending substantially continuously around the complete circumference of the splash plate in which they are located, and means for mounting said nozzle on the exterior surface of a distribution pipe.
Claim 2
Dependent Claim
186 words
A nozzle including a body portion having a throat with a discharge orifice, a first splash plate, means mounting said first splash plate below and coaxial with said discharge orifice, a second splash plate, means mounting said second splash plate below and coaxial with said first splash plate, a third splash plate, means mounting said third splash plate below and coaxial with said second splash plate, each of said first and second splash plates having an axial opening formed therein and said third splash plate including a conical portion coaxial with said axial openings, each of said first, second and third splash plates having a plurality of slots extending therethrough, said slots in said first and second splash plates being arcuate and parallel to the edge of the splash plate in which they are located, said arcuate slots being located radially outwardly of said axial opening in each of said first and second splash plates and extending substantially continuously around the complete circumference of the splash plate in which they are located, and means for mounting said nozzle on the exterior surface of a distribution pipe.
Claim 3
Dependent Claim
19 words
A nozzle as set forth in claim 1 wherein said first splash plate has at least four arcuate slots.
Claim 4
Dependent Claim
17 words
A nozzle as set forth in claim 1 wherein said second splash plate has two arcuate slots.
Claim 5
Dependent Claim
19 words
A nozzle as set forth in claim 1 wherein said third splash plate has radial slots and arcuate slots.
Claim 6
Dependent Claim
29 words
A nozzle as set forth in claim 4 wherein said radial slots are formed in said conical portion and said arcuate slots are radially outwardly of said conical portion.
Claim 7
Dependent Claim
60 words
A spray nozzle as set forth in claim 1 wherein said third splash plate includes an annular portion connected to said mounting means and having an axial opening formed therein and said conical portion is formed on an insert having a depending cylindrical shank located in said opening in said annular portion to support said insert on said annular portion.
References Cited (Backward Citations)
US716635A
Cited
US1153805A
Cited
US1877046A
Cited
DE631950C
Cited
US2135138A
Cited
US2375528A
Cited
US3061204A
Cited
FR1369539A
Cited
US3178119A
Cited
US3617036A
Cited
US4099675A
Cited
US4111366A
Cited
US4094937A
Cited
US4128264A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1985-09-20 | 1986-03-22 | 1986-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1989-09-20 | 1990-03-22 | 1990-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1993-09-20 | 1994-03-22 | 1994-09-21 | $7700.00 | Window Closed / Lapsed |