GB1102426A - Creación de Inventos y Patentes con Inteligencia Artificial

GB1102426A – Apparatus for totalizing a continuously or serially occurring quantity
– Google Patents

GB1102426A – Apparatus for totalizing a continuously or serially occurring quantity
– Google Patents
Apparatus for totalizing a continuously or serially occurring quantity

Info

Publication number
GB1102426A

GB1102426A
GB4211/65D
GB421165D
GB1102426A
GB 1102426 A
GB1102426 A
GB 1102426A
GB 4211/65 D
GB4211/65 D
GB 4211/65D
GB 421165 D
GB421165 D
GB 421165D
GB 1102426 A
GB1102426 A
GB 1102426A
Authority
GB
United Kingdom
Prior art keywords
input
output
amplifier
over
pulse
Prior art date
1964-10-05
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)

Expired

Application number
GB4211/65D
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Schneider Electric Systems USA Inc

Original Assignee
Foxboro Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
1964-10-05
Filing date
1965-10-04
Publication date
1968-02-07

1965-10-04
Application filed by Foxboro Co
filed
Critical
Foxboro Co

1968-02-07
Publication of GB1102426A
publication
Critical
patent/GB1102426A/en

Status
Expired
legal-status
Critical
Current

Links

Espacenet

Global Dossier

Discuss

Classifications

G—PHYSICS

G01—MEASURING; TESTING

G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME

G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 – G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus

G01F15/07—Integration to give total flow, e.g. using mechanically-operated integrating mechanism

G01F15/075—Integration to give total flow, e.g. using mechanically-operated integrating mechanism using electrically-operated integrating means

Abstract

1,102,426. Integrating apparatus. FOXBORO CO. 4 Oct., 1965 [5 Oct., 1964], No. 42111/65. Heading G4G. [Also in Divisions G1 and H3] Integrating apparatus for totalling the value over a period of a serially variable quantity, e.g. rate of fluid flow, comprises an input 10, 12 (Fig. 1A) receiving a D.C. signal, e.g. from a flow transmitter varying, e.g., 1 to 5 volts over the full flow range, directed over variable calibrating resistance 16 to an input, e.g. solid state amplifier 20 whose other input is returned to an e.g. 1 volt reference voltage and which develops an output of e.g. 1 volt for zero input at no flow, which is connected over diode 32 to calibration switchable capacitor 34 returned to the first input. The output thus repre. senting the time integral of the input (Fig. 2a, not shown) is connected over a resistor 36 to a first input of amplifier 40 whose other input is returned to e.g. 1 volt positive and whose output is connected over calibration switchable capacitor 46 to the first input, whereby the output of the amplifier represents the time integral of its input signal and the second time integral of the input to amplifier 20 (Fig. 2b, not shown). The output is also connected (Fig. 1B) to an input 48 of a transistorized differential amplifier 50 whose other input is supplied from an, e.g., 5 volt positive reference, and when this is exceeded applies a signal to two-stage amplifier 56 and double base transistor 60 firing to discharge a CR circuit 62, 64, and so trigger a one-shot multivibrator 68 whose output pulse is transformer coupled (Fig. 1A) to drive transistors 84, 86 conductive and discharge capacitors 34, 46 simultaneously (Figs. 2A, 2B, not shown) in readiness for further integration; diodes 88, 90 and resistors 92, 94 damping oscillatory swings. It is shown that the frequency of the control pulses is proportional to the square root of the input voltage at 10, 12 and thus to fluid flowrate if the input is proportional to the square of the flow rate as in the usual flow transmitter. Multivibrator 68 also pulses stretching circuit 98 to produce at 100 a relatively long pulse for each multivibrator pulse, which may operate an electromechanical counter (not shown) indicating total of the variable quantity, e.g. flow over a given time. Interference signals at input 10, 12 are eliminated by utilizing each control pulse to initiate a current pulse over diode 102 into the e.g. 1 volt positive reference to negativize the amplifier input for zero flow rate. The corresponding positive output develops a further pulse of current over Zener diode 104 into the 1 volt reference, and the amplifier is locked to negative input and positive output after termination of the control pulse; capacitor 34 being protected by diode 32. When an output signal exceeds, e.g. 0À04 volts integration commences, Zener diode 104 becomes non-conductive and the block is removed; while during . integration Zener diodes 104, 110 co-operate to clamp the amplifier output to + 10 v. Calibration is effected coarsely by selecting capacitors 34, 46 and finely by adjusting resistor 16.

GB4211/65D
1964-10-05
1965-10-04
Apparatus for totalizing a continuously or serially occurring quantity

Expired

GB1102426A
(en)

Applications Claiming Priority (1)

Application Number
Priority Date
Filing Date
Title

US401372A

US3409763A
(en)

1964-10-05
1964-10-05
Flow totalizing apparatus

Publications (1)

Publication Number
Publication Date

GB1102426A
true

GB1102426A
(en)

1968-02-07

Family
ID=23587482
Family Applications (1)

Application Number
Title
Priority Date
Filing Date

GB4211/65D
Expired

GB1102426A
(en)

1964-10-05
1965-10-04
Apparatus for totalizing a continuously or serially occurring quantity

Country Status (4)

Country
Link

US
(1)

US3409763A
(en)

DE
(1)

DE1498332A1
(en)

GB
(1)

GB1102426A
(en)

NL
(1)

NL6512906A
(en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party

Publication number
Priority date
Publication date
Assignee
Title

US3535503A
(en)

1968-09-12
1970-10-20
Gen Electric
Multiplier-divider computing circuit

US4158765A
(en)

1977-11-08
1979-06-19
Fischer & Porter Co.
Totalizer for two-wire transmitter

US8088091B2
(en)

2009-03-09
2012-01-03
New Jersey Institute Of Technology
No clog shunt using a compact fluid drag path

US10226193B2
(en)

2015-03-31
2019-03-12
Medtronic Ps Medical, Inc.
Wireless pressure measurement and monitoring for shunts

Family Cites Families (4)

* Cited by examiner, † Cited by third party

Publication number
Priority date
Publication date
Assignee
Title

US3231728A
(en)

1960-07-18
1966-01-25
Systems Inc Comp
Reset integrator

US3129326A
(en)

1961-11-21
1964-04-14
Systems Inc Comp
Reset operational amplifier

US3096434A
(en)

1961-11-28
1963-07-02
Daniel Orifice Fitting Company
Multiple integration flow computer

US3249748A
(en)

1962-10-30
1966-05-03
Frederick R Fluhr
Generalized analog integrator

1964

1964-10-05
US
US401372A
patent/US3409763A/en
not_active
Expired – Lifetime

1965

1965-10-04
GB
GB4211/65D
patent/GB1102426A/en
not_active
Expired

1965-10-04
DE
DE19651498332
patent/DE1498332A1/en
active
Pending

1965-10-05
NL
NL6512906A
patent/NL6512906A/xx
unknown

Also Published As

Publication number
Publication date

US3409763A
(en)

1968-11-05

DE1498332A1
(en)

1969-01-02

NL6512906A
(en)

1966-04-06

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