FR414397A - Control device for valves and devices whose operation is determined by a temperature difference - Google Patents

Control device for valves and devices whose operation is determined by a temperature difference

Info

Publication number
FR414397A
FR414397A FR414397DA FR414397A FR 414397 A FR414397 A FR 414397A FR 414397D A FR414397D A FR 414397DA FR 414397 A FR414397 A FR 414397A
Authority
FR
France
Prior art keywords
valves
determined
control device
temperature difference
whose operation
Prior art date
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
Other languages
French (fr)
Inventor
Joseph Cremer
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.)
Individual
Original Assignee
Individual
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.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of FR414397A publication Critical patent/FR414397A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D23/00—Control of temperature
    • G05D23/01—Control of temperature without auxiliary power
    • G05D23/02—Control of temperature without auxiliary power with sensing element expanding and contracting in response to changes of temperature
    • G05D23/024—Control of temperature without auxiliary power with sensing element expanding and contracting in response to changes of temperature the sensing element being of the rod type, tube type, or of a similar type
FR414397D 1910-04-02 1910-04-02 Control device for valves and devices whose operation is determined by a temperature difference Expired FR414397A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR414397T 1910-04-02

Publications (1)

Publication Number Publication Date
FR414397A true FR414397A (en) 1910-09-01

Family

ID=1458101

Family Applications (1)

Application Number Title Priority Date Filing Date
FR414397D Expired FR414397A (en) 1910-04-02 1910-04-02 Control device for valves and devices whose operation is determined by a temperature difference

Country Status (1)

Country Link
FR (1) FR414397A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2566173A (en) * 1949-11-23 1951-08-28 Detroit Lubricator Co Pilot operated valve

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2566173A (en) * 1949-11-23 1951-08-28 Detroit Lubricator Co Pilot operated valve

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