US2614574A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chemical feeder and method of feeding
Assignee: Honeywell International Inc
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Filing: 1948-04-12
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Granted: 1952-10-21
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Expires: 1968-04-12
Abstract
No abstract record available.
Inventors
- 👤 Farrell James Kenneth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 18:23
CPC Classifications
B; B01; B01J; B01J4/00; B01J4/02; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2499; Y10T137/2509; Y10T137/4891; Y10T436/00; Y10T436/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
146 words
A METHOD FOR DISPENSING A CONTROLLED AMOUNT OF HYGROSCOPIC SOLID WHICH COMPRISES INTRODUCING STEAM IN CONTACT WITH A HYGROSCOPIC SOLID OF HIGH SOLUBILITY AT HIGHER TEMPERATURES IN WATER MAINTAINED IN A CONTAINER AND SUPPORTED UPON A PERFORATED MEMBER, REGULATING THE AMOUNT OF STEAM INTRODUCED IN ACCORDANCE WITH THE AMOUNT OF SAID SOLID DESIRED TO BE DISPENSED, WHEREBY A CONCENTRATED AQUEOUS SOLUTION OF SAID SOLID IS PRODUCED AND FLOWS THROUGH SAID PERFORATED MEMBER, AND UPON TERMINATION OF STEAM INTRODUCTION SOLIDIFIES ON SAID PERFORATED MEMBER TERMINATING FLOW OF AQUEOUS SOLUTION THERETHROUGH, SAID DISPENSE BEING ADAPTED TO DISSIPATE HEAT TO CAUSE DROP IN TEMPERATURE AND SOLIDIFICATION OF AQUEOUS SOLUTION ON PERFORATED MEMBER WITHDRAWING SAID CONCENTRATED SOLUTION BY GRAVITY THORUGH AN OUTLET IN SAID CONTAINER, AND MAINTAINING A CONTINUOUS OPEN PASSAGEWAY FROM THE PERFORATED MEMBER THROUGH THE OUTLET OF THE CONTAINER DURING DISCHARGING AND NONDISCHARGING PERIODS OF DISPENSING CONCENTRATED SOLUTION.
Claim 2
Independent Claim
146 words
A METHOD FOR DISPENSING A CONTROLLED AMOUNT OF HYGROSCOPIC SOLID WHICH COMPRISES INTRODUCING STEAM IN CONTACT WITH A HYGROSCOPIC SOLID OF HIGH SOLUBILITY AT HIGHER TEMPERATURES IN WATER MAINTAINED IN A CONTAINER AND SUPPORTED UPON A PERFORATED MEMBER, REGULATING THE AMOUNT OF STEAM INTRODUCED IN ACCORDANCE WITH THE AMOUNT OF SAID SOLID DESIRED TO BE DISPENSED, WHEREBY A CONCENTRATED AQUEOUS SOLUTION OF SAID SOLID IS PRODUCED AND FLOWS THROUGH SAID PERFORATED MEMBER, AND UPON TERMINATION OF STEAM INTRODUCTION SOLIDIFIES ON SAID PERFORATED MEMBER TERMINATING FLOW OF AQUEOUS SOLUTION THERETHROUGH, SAID DISPENSE BEING ADAPTED TO DISSIPATE HEAT TO CAUSE DROP IN TEMPERATURE AND SOLIDIFICATION OF AQUEOUS SOLUTION ON PERFORATED MEMBER WITHDRAWING SAID CONCENTRATED SOLUTION BY GRAVITY THORUGH AN OUTLET IN SAID CONTAINER, AND MAINTAINING A CONTINUOUS OPEN PASSAGEWAY FROM THE PERFORATED MEMBER THROUGH THE OUTLET OF THE CONTAINER DURING DISCHARGING AND NONDISCHARGING PERIODS OF DISPENSING CONCENTRATED SOLUTION.
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) | 1955-10-21 | 1956-04-21 | 1956-10-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-10-21 | 1960-04-21 | 1960-10-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-10-21 | 1964-04-21 | 1964-10-21 | $7700.00 | Window Closed / Lapsed |