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US3595757A Expired / Lapsed US ⏱️ 0.0 years remaining

Multiple effect multisection flash evaporator

Assignee: Hitachi Ltd
•
Filing: 1969-07-16
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Granted: 1971-07-27
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Expires: 1989-07-16
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Abstract

Abstract A MULTIPLE EFFECT MULTISECTION FLASH EVAPORATOR COMPRISING A PLURALITY OF EFFECT SECTIONS ARRANGED IN THE ORDER OF TEMPERATURE FROM A FIRST EFFECT SECTION OF HIGHEST TEMPERATURE TO A LAST EFFECT SECTION OF LOWEST TEMPERATURE AND EACH DIVIDED INTO A NUMBER OF FLASH CHAMBERS, THE MAJORITY OF SAID FLASH CHAMBERS CONSTITUTING A HEAT RECOVERY SECTION AND THE MINORITY THEREOF CONSTITUTING A HEAT DISSIPATION SECTION. EACH EFFECT SECTION IS PROVIDED WITH ONE BRINE HEATER FOR INCREASING THE FLASH RANGE OF EACH FLASH CHAMBER TO THEREBY INCREASE THE QUANTITY OF VAPOR PRODUCED. THE EFFECT SECTIONS ARE EACH PROVIDED WITH MEANS FOR DISCONNECTING THE EFFECT SECTIONS AS DESIRED FROM THE SYSTEM WHILE THE REMAINDER OF EFFECT SECTIONS IS OPERATED BY ACCOMMODATING A VARIATION IN THE QUANTITY OF THE STEAM SUPPLIED TO THE SYSTEM.

Inventors

  • 👤 Kenkichi Izumi

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 17:31
CPC Classifications
B; B01; B01D; B01D3/00; B01D3/06; B01D3/065; C; C02; C02F; C02F2103/00; C02F2103/08; Y; Y02; Y02A; Y02A20/00; Y02A20/124; Y02P; Y02P70/00; Y02P70/10

Claims Analysis

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References Cited (Backward Citations)

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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1974-07-26 1975-01-25 1975-07-27 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1978-07-26 1979-01-25 1979-07-27 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1982-07-26 1983-01-25 1983-07-27 $7700.00 Window Closed / Lapsed

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