NL77563C - - Google Patents

Info

Publication number: NL77563C
Authority: NL; Netherlands

Application number

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.)

1951-05-21

Publication of NL77563C publication Critical patent/NL77563C/xx

Classifications

- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
- G01M3/16—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using electric detection means
- G01M3/18—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using electric detection means for pipes, cables or tubes; for pipe joints or seals; for valves; for welds; for containers, e.g. radiators
- G01M3/181—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using electric detection means for pipes, cables or tubes; for pipe joints or seals; for valves; for welds; for containers, e.g. radiators for cables
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
- G01M3/28—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds
- G01M3/2838—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds for cables

Landscapes

Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Measuring Fluid Pressure (AREA)
Examining Or Testing Airtightness (AREA)

NL77563D 1951-05-21 NL77563C (xx)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FR942229X		1951-05-21

Publications (1)

Publication Number	Publication Date
NL77563C true NL77563C (xx)

Family

ID=9470793

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NL77563D NL77563C (xx)	1951-05-21

Country Status (7)

Country	Link
US (1)	US2698430A (xx)
BE (1)	BE511339A (xx)
CH (1)	CH301290A (xx)
DE (1)	DE942229C (xx)
FR (1)	FR1037350A (xx)
GB (1)	GB697598A (xx)
NL (1)	NL77563C (xx)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3101444A (en) *	1959-06-30	1963-08-20	John R Montgomery	Electronic pressure measuring means for internal combustion engines responsive to pressure caused spark gap resistance change
DE2413927B2 (de) *	1974-03-20	1976-08-19	Ausscheidung in: 24 62 252 Siemens AG, 1000 Berlin und 8000 München	Anordnung mit einem hochspannungsmesskondensator
US20140298894A1 (en) *	2013-04-09	2014-10-09	Schlumberger Technology Corporation	Line pressure testing technique

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE202906C (xx) *
US996091A (en) *	1910-10-06	1911-06-27	Maurice Bernays Johnson	Spark-gap muffler.
GB355630A (en) *	1930-12-31	1931-08-27	Frederick Trafford	Improvements in apparatus for the detection of smoke from furnaces
US2058256A (en) *	1935-05-11	1936-10-20	Bell Telephone Labor Inc	Gas pressure alarm contactor
US2305096A (en) *	1941-06-19	1942-12-15	Julian A Mcdermott	Automatic circuit controller for gaseous discharge devices
BE470232A (xx) *	1946-01-17	1948-06-07
US2523017A (en) *	1946-04-11	1950-09-19	Honeywell Regulator Co	Detonation detector system
US2600891A (en) *	1946-09-20	1952-06-17	Stephen M Macneille	Vacuum system leak detector
CH270969A (de) *	1947-04-23	1950-09-30	Automatic Telephone & Elect	Einrichtung an elektrischen Kabeln, die Gas unter Druck enthalten.

0
- BE BE511339D patent/BE511339A/xx unknown
- NL NL77563D patent/NL77563C/xx active
1951
- 1951-05-21 FR FR1037350D patent/FR1037350A/fr not_active Expired
1952
- 1952-04-23 CH CH301290D patent/CH301290A/fr unknown
- 1952-05-02 GB GB11176/52A patent/GB697598A/en not_active Expired
- 1952-05-06 US US286395A patent/US2698430A/en not_active Expired - Lifetime
- 1952-05-22 DE DES28633A patent/DE942229C/de not_active Expired

Also Published As

Publication number	Publication date
GB697598A (en)	1953-09-23
DE942229C (de)	1956-04-26
BE511339A (xx)
US2698430A (en)	1954-12-28
CH301290A (fr)	1954-08-31
FR1037350A (fr)	1953-09-16

Publication	Publication Date	Title
AT175432B (xx)
AT190786B (xx)	1957-07-25
AT195616B (xx)	1958-02-25
AT197970B (xx)	1958-05-27
AT192177A (xx)	1957-10-10
BE500995A (xx)
BE502062A (xx)
BE16335A (xx)
BE501126A (xx)
BE466790A (xx)
BE477312A (xx)
BE480026A (xx)
BE491015A (xx)
BE491096A (xx)
BE494945A (xx)
BE498467A (xx)
BE498982A (xx)
BE500297A (xx)
BE500588A (xx)
BE500688A (xx)
BE500744A (xx)
BE500745A (xx)
BE501183A (xx)
BE500989A (xx)	1951-02-15
BE501476A (xx)