Patent US3660244A successfully refreshed from Google Patents.
US3660244A
Expired / Lapsed
US
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Fermentation apparatus
Assignee: ConocoPhillips Co
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Filing: 1969-08-14
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Granted: 1972-05-02
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Expires: 1989-08-14
Abstract
Abstract A fermentation apparatus is provided having a reactor vessel, baffle means, impellor means, and a telescopeable draft tube means which enables the upper portion of the draft tube means to be raised and lowered with respect to the lower portion of the draft tube means.
Inventors
- 👤 Chi-Sin Che
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:46
CPC Classifications
C; C12; C12M; C12M27/00; C12M27/02; C12M27/08; C12M29/00; C12M29/06; C12M29/08; C12M41/00; C12M41/12; C12M41/26; C12M41/40
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
44 words
The device of claim 1 wherein said upward end of said conical member and the inner wall of said reaction chamber define an annular passageway of width represented by the formula P Congruent Df/33 where Df is the interior diameter of said reaction chambeR.
Claim 2
Dependent Claim
58 words
The device of claim 2 wherein said impellor means comprises a vertical shaft means extending through said draft tube means, said shaft means being concentric with said draft tube means and provided with turbine means below the lower end of said draft tube means and propeller means intermediate the lower and upper ends of said draft tube means.
Claim 3
Dependent Claim
67 words
The device of claim 3 wherein said means for introducing a gas comprises a conduit connected at one end to a source of oxygen-containing gas and passing through and sealed to said cover means, and extending thence through an opening in the uppermost surface of said draft tube means and downward until it is positioned below said impellor means, and having an opening below said impellor means.
Claim 4
Dependent Claim
19 words
The device of claim 4 which includes an injection conduit for introducing materials during the operation of said fermenter.
Claim 5
Dependent Claim
22 words
The device of claim 5 which includes feed inlet and product outlet conduit means for operating said fermenter in a continuous manner.
Claim 6
Dependent Claim
34 words
The device of claim 6 which includes pressure means, temperature measuring means, and pH measuring means communicating with the interior portion of said reaction chamber to continuously monitor the reaction in said reaction chamber.
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) | 1975-05-02 | 1975-11-01 | 1976-05-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-05-02 | 1979-11-01 | 1980-05-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-05-02 | 1983-11-01 | 1984-05-02 | $7700.00 | Window Closed / Lapsed |