Patent US3645697A successfully refreshed from Google Patents.
US3645697A
Expired / Lapsed
US
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Controlling apparatus of a reactor
Assignee: Phillips Petroleum Co
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Filing: 1969-07-18
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Granted: 1972-02-29
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Expires: 1989-07-18
Abstract
Abstract A batch reactor is controlled by measuring heat transfer to or from the reactor and integrating the measured signal. When the integrated signal reaches a preselected value, the reaction is terminated. The integrated signal can also be used to control introduction of a reactant.
Inventors
- 👤 Alfred A Hoffman Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 21:25
CPC Classifications
B; B01; B01J; B01J19/00; B01J19/0006; Y; Y10; Y10T; Y10T137/00; Y10T137/0318; Y10T137/0324; Y10T436/00; Y10T436/12
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
28 words
The control system of claim 1, further comprising means responsive to said second signal to control the rate of addition of at least one reactant to said reactor.
Claim 2
Dependent Claim
54 words
The control system of claim 1 wherein said means to control includes a timing means actuated by said output signal of the differentiating means, said timing means establishing a time signal at a predetermined time interval after said timing means is actuated, said time signal being employed to control the operation of said reactor.
Claim 3
Dependent Claim
39 words
The control system of claim 1, further comprising a gate connected between said differentiating means and said means to control, and means responsive to said integrated signal to open said gate when said integrated signal is of preselected magnitude.
Claim 4
Dependent Claim
82 words
The control system of claim 1, further comprising first and second gates, each actuated by said integrated signal, said first gate being included within said means to control the operation of said reactor to permit said means to control to operate when said integrated signal reaches a preselected magnitude, and further comprising means to control the introduction of at least one reactant into said reactor, said last-mentioned means being actuated by said second gate when said integrated signal reaches a preselected magnitude.
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) | 1975-02-28 | 1975-08-30 | 1976-02-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-02-28 | 1979-08-30 | 1980-02-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-02-28 | 1983-08-30 | 1984-02-29 | $7700.00 | Window Closed / Lapsed |