FR2500927B1 - - Google Patents

Info

Publication number: FR2500927B1
Authority: FR; France
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

FR8103923A

Other languages

Other versions

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.)

Equipements Automobiles Marchal SA

Original Assignee

Equipements Automobiles Marchal SA

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.)

1981-02-27

Filing date

1981-02-27

Publication date

1984-11-30

1981-02-27 Application filed by Equipements Automobiles Marchal SA filed Critical Equipements Automobiles Marchal SA

1981-02-27 Priority to FR8103923A priority Critical patent/FR2500927A1/en

1982-09-03 Publication of FR2500927A1 publication Critical patent/FR2500927A1/en

1984-11-30 Application granted granted Critical

1984-11-30 Publication of FR2500927B1 publication Critical patent/FR2500927B1/fr

Status Granted legal-status Critical Current

Classifications

- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/68—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using thermal effects
- G01F1/684—Structural arrangements; Mounting of elements, e.g. in relation to fluid flow
- G01F1/688—Structural arrangements; Mounting of elements, e.g. in relation to fluid flow using a particular type of heating, cooling or sensing element
- G01F1/69—Structural arrangements; Mounting of elements, e.g. in relation to fluid flow using a particular type of heating, cooling or sensing element of resistive type

Landscapes

Physics & Mathematics (AREA)
Fluid Mechanics (AREA)
General Physics & Mathematics (AREA)
Measuring Volume Flow (AREA)

FR8103923A 1981-02-27 1981-02-27 Air flowmeter protecting ventilator ballast transistor - has sensor which contains one heating resistor placed between two thermistors which are connected to comparator Granted FR2500927A1 (en)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
FR8103923A FR2500927A1 (en)	1981-02-27	1981-02-27	Air flowmeter protecting ventilator ballast transistor - has sensor which contains one heating resistor placed between two thermistors which are connected to comparator

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FR8103923A FR2500927A1 (en)	1981-02-27	1981-02-27	Air flowmeter protecting ventilator ballast transistor - has sensor which contains one heating resistor placed between two thermistors which are connected to comparator

Publications (2)

Publication Number	Publication Date
FR2500927A1 FR2500927A1 (en)	1982-09-03
FR2500927B1 true FR2500927B1 (en)	1984-11-30

Family

ID=9255687

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR8103923A Granted FR2500927A1 (en)	1981-02-27	1981-02-27	Air flowmeter protecting ventilator ballast transistor - has sensor which contains one heating resistor placed between two thermistors which are connected to comparator

Country Status (1)

Country	Link
FR (1)	FR2500927A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
WO1991019170A1 (en) *	1990-06-04	1991-12-12	Mcpherson's Limited	Flow sensor and control system
FR2941777B1 (en) *	2009-02-03	2011-06-03	Technofan	FLOW MEASUREMENT IN A FAN.
EP3627164B1 (en) *	2018-09-18	2023-08-09	Soreel Societe de Realisation d'Equipements Electriques	System comprising a device for controlling a high-speed circuit breaker of an electrical installation and method for testing such a system
FR3086062A1 (en) *	2018-09-18	2020-03-20	Soreel Societe De Realisation D'equipements Electriques	DEVICE FOR CONTROLLING A CUT-OFF MEMBER OF AN ELECTRICAL INSTALLATION AND METHOD FOR TESTING SUCH A DEVICE

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2647401A (en) *	1950-04-11	1953-08-04	Claude M Hathaway	Thermal flowmeter
US2728225A (en) *	1953-03-12	1955-12-27	Herbert E Skibitzke	Thermal flowmeter
US3438254A (en) *	1965-10-19	1969-04-15	United Control Corp	Fluid flow detector
US3425277A (en) *	1966-11-14	1969-02-04	Gen Electric	Electrical thermal flowmeter
DE2037072A1 (en) *	1970-07-27	1972-02-10	Fiegel P
US3898638A (en) *	1973-08-09	1975-08-05	Robert A Deane	Differential temperature sensor system and improvements in a fluid flow detector

1981
- 1981-02-27 FR FR8103923A patent/FR2500927A1/en active Granted

Also Published As

Publication number	Publication date
FR2500927A1 (en)	1982-09-03

Publication	Publication Date	Title
FR2499026B1 (en)	1983-05-13
FR2498494B1 (en)	1983-11-25
FR2498570B3 (en)	1984-06-29
FR2500457B1 (en)	1985-03-15
FR2500786B1 (en)	1985-04-26
FR2505380B1 (en)	1984-12-28
FR2498561B1 (en)	1984-01-06
FR2499726B1 (en)	1985-02-01
FR2504809B1 (en)	1985-03-15
FR2502887B1 (en)	1984-12-21
FR2498845B3 (en)	1984-09-07
FR2498227B1 (en)	1984-04-06
FR2498409B1 (en)	1983-11-18
FR2498347B2 (en)	1984-01-13
FR2502383B1 (en)	1984-01-13
DE3375410D1 (en)	1988-02-25
FR2504921B1 (en)	1985-05-17
FR2505349B1 (en)	1985-03-01
FR2504626B1 (en)	1985-02-22
FR2500305B1 (en)	1983-11-25
FR2505267B1 (en)	1984-08-31
FR2498597B1 (en)	1985-03-08
FR2505552B1 (en)	1984-07-06
FR2498391B1 (en)	1983-04-08
FR2498306B3 (en)	1982-12-10

Legal Events

Date	Code	Title	Description
1989-12-22	ST	Notification of lapse