US3656281A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Water separator-superheater
Assignee: BBC Brown Boveri AG Germany
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Filing: 1969-04-30
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Granted: 1972-04-18
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Expires: 1989-04-30
Abstract
Abstract A water-separator-superheater structure includes a horizontally disposed casing having a drum-shaped configuration into which wet steam is admitted at the bottom portion of the drum. The wet steam is caused to flow upwardly at an angle through a plurality of horizontally disposed wire netting mattresses arranged in superposed stepped relation which serve to separate out the moisture which drains off through the bottom of the casing, and the dried steam then passes through a tube type superheater to a discharge outlet. The tubes of the superheater between which the dried steam passes are disposed at a steeply inclined angle in order to promote self-draining.
Inventors
- 👤 Parma Nand Bansal
- 👤 Alois Sonnenmoser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 10:13
CPC Classifications
G; G21; G21C; G21C15/00; G21C15/16; F; F22; F22B; F22B37/00; F22B37/02; F22B37/26; F22B37/266; Y; Y02; Y02E; Y02E30/00; Y02E30/30; Y10; Y10S; Y10S55/00; Y10S55/23
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
123 words
In a water-separator-superheater structure the combination comprising a cylindrical drum, said drum including therein an inlet for wet steam at the bottom of the drum, an inflow chamber for the wet steam, a plurality of wire netting mattresses arranged in superposed stepped relation, shielding means between said wet steam inlet and said inflow chamber in front of said wire netting mattresses, a drop cover plate connecting the entrance region of each wire netting mattress with the exit region of the mattress located next above, a dry steam outflow chamber, and a tubular heat exchanger located in said dry steam outflow chamber directly adjacent the exit regions of said wire netting mattresses, the tubes of said heat exchanger being steeply inclined to provide self-draining.
Claim 2
Dependent Claim
123 words
In a water-separator-superheater structure the combination comprising a cylindrical drum, said drum including therein an inlet for wet steam at the bottom of the drum, an inflow chamber for the wet steam, a plurality of wire netting mattresses arranged in superposed stepped relation, shielding means between said wet steam inlet and said inflow chamber in front of said wire netting mattresses, a drop cover plate connecting the entrance region of each wire netting mattress with the exit region of the mattress located next above, a dry steam outflow chamber, and a tubular heat exchanger located in said dry steam outflow chamber directly adjacent the exit regions of said wire netting mattresses, the tubes of said heat exchanger being steeply inclined to provide self-draining.
Claim 3
Dependent Claim
29 words
A water separator-superheater structure as defined in claim 1 wherein said tubes of said heat exchanger extend substantially at a right angle to the longitudinal axis of said drum.
Claim 4
Dependent Claim
29 words
A water separator-superheater structure as defined in claim 1 wherein said inflow chamber includes a free flow area approximately equal to the cross section of said wet steam inlet.
Claim 5
Dependent Claim
32 words
A water separator-superheater as defined in claim 1 and which further includes means arranged in said wet steam inflow chamber for obtaining uniform distribution of the steam and for rectifying its flow.
Claim 6
Dependent Claim
29 words
A water-separator-superheater as defined in claim 1 and which further includes an outlet for superheated dry steam at the discharge side of said superheater and which extends obliquely upwardly.
Claim 7
Dependent Claim
26 words
A water separator-superheater as defined in claim 1 wherein the entrance cross sections to said wire netting mattresses are proportional to the width of said mattresses.
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) | 1975-04-18 | 1975-10-18 | 1976-04-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-04-18 | 1979-10-18 | 1980-04-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-04-18 | 1983-10-18 | 1984-04-18 | $7700.00 | Window Closed / Lapsed |