Patent US2396826A successfully refreshed from Google Patents.
Patent JPS51133952A successfully refreshed from Google Patents.
JPS51133952A
Expired / Lapsed
JP
⏱️ 0.0 years remaining
Control system of oxygen dissolved in aeration tank
Assignee: Hitachi Ltd
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Filing: 1975-05-16
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Granted: —
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Expires: 1995-05-16
Abstract
Abstract PURPOSE: To provide a means to limit dissolved oxygen (DO) value to exceed upper and lower limits in any portion of an aeration tank. COPYRIGHT: (C)1976,JPO&Japio
Inventors
- 👤 Takashi Miyoshi
Bibliographic Details
Application Number
—
Jurisdiction
JP
Data Source
google_patents
Last Synchronized
2026-10-28 18:51
CPC Classifications
Y; Y02; Y02W; Y02W10/00; Y02W10/10
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Total Claims: 0
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