NL7808450A - LEAK DETECTOR FOR TROLLEYBUS. - Google Patents

LEAK DETECTOR FOR TROLLEYBUS.

Info

Publication number
NL7808450A
NL7808450A NL7808450A NL7808450A NL7808450A NL 7808450 A NL7808450 A NL 7808450A NL 7808450 A NL7808450 A NL 7808450A NL 7808450 A NL7808450 A NL 7808450A NL 7808450 A NL7808450 A NL 7808450A
Authority
NL
Netherlands
Prior art keywords
trolleybus
leak detector
leak
detector
Prior art date
Application number
NL7808450A
Other languages
Dutch (nl)
Original Assignee
Ansaldo 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.)
Filing date
Publication date
Application filed by Ansaldo Sa filed Critical Ansaldo Sa
Publication of NL7808450A publication Critical patent/NL7808450A/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
    • G01R31/52—Testing for short-circuits, leakage current or ground faults

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Power Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
  • Examining Or Testing Airtightness (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
NL7808450A 1977-08-17 1978-08-15 LEAK DETECTOR FOR TROLLEYBUS. NL7808450A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT12740/77A IT1143855B (en) 1977-08-17 1977-08-17 DISPERSION DETECTOR FOR TROLLEYS

Publications (1)

Publication Number Publication Date
NL7808450A true NL7808450A (en) 1979-02-20

Family

ID=11143031

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7808450A NL7808450A (en) 1977-08-17 1978-08-15 LEAK DETECTOR FOR TROLLEYBUS.

Country Status (6)

Country Link
BR (1) BR7805003A (en)
CH (1) CH631115A5 (en)
DE (1) DE2834478A1 (en)
FR (1) FR2400444A1 (en)
IT (1) IT1143855B (en)
NL (1) NL7808450A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3003902A1 (en) * 1980-02-02 1981-08-13 Robert Bosch Gmbh, 7000 Stuttgart SAFETY DEVICE FOR A TRANSPORT SYSTEM SUPPLIED FROM A CABLE
FR2645650B1 (en) * 1989-04-06 1991-09-27 Merlin Gerin SYSTEM FOR CONTROLLING THE ISOLATION OF A DIRECT CURRENT NETWORK
DE19950513A1 (en) * 1999-10-20 2001-04-26 Kiepe Elek K Gmbh & Co Kg Process for recording and monitoring the contact voltage on the chassis of trolley buses and device for carrying out the process

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH100609A (en) * 1922-04-26 1923-08-01 Degoumois Charles Device for the determination of earth faults and conductor breaks in railway vehicles operated with direct current.
GB417960A (en) * 1933-05-10 1934-10-16 Gen Electric Co Ltd Improvements in or relating to electric leakage indicators and protection devices for electrically driven vehicles
FR789558A (en) * 1934-05-04 1935-10-31 Vehicules Et Tracteurs Electr Improvements in means for detecting leaks in electrical installations, in particular on road vehicles such as those with trolley
FR831653A (en) * 1937-04-15 1938-09-12 Materiel Electrique S W Le Electrical insulation detection device
DE688825C (en) * 1938-06-19 1940-03-02 Aeg Safety device for constant monitoring
DE961363C (en) * 1955-02-15 1957-04-04 Berliner Verkehrs Betr E Bvg Device for insulation monitoring for electric vehicles isolated from earth, especially overhead line omnibuses

Also Published As

Publication number Publication date
BR7805003A (en) 1979-05-08
FR2400444B1 (en) 1982-11-05
FR2400444A1 (en) 1979-03-16
DE2834478A1 (en) 1979-02-22
IT1143855B (en) 1986-10-22
CH631115A5 (en) 1982-07-30

Similar Documents

Publication Publication Date Title
NL7703785A (en) COLLECTION DEVICE FOR SUNRAYS.
NL188076C (en) DEVICE FOR RADIOGRAPHY.
NL7802866A (en) SHIELD FOR DAMP AREAS.
NL183804C (en) DETECTION DEVICE FOR ROENT GENTOMOGRAPHY.
NL180250C (en) CONNECTING DEVICE FOR LAMPS.
NL7605253A (en) DEVICE FOR TOMOGRAPHY.
NL7711027A (en) CALIBRATION SYSTEM FOR GAMMATELLER.
NL186122C (en) ROENGEN DETECTOR.
NL7703295A (en) ROENTGEN DETECTOR.
NL7605687A (en) DEVICE FOR TOMOGRAPHY.
BE855003A (en) VOEDINGSINRICHTING VOOR EEN AUTOBANDCONSTRUCTIETROMMEL
NL168421C (en) SYSTEM FOR INTERNAL RADIATION.
NL7704836A (en) COLLECTOR FOR VULNERABLE OBJECTS.
NO780478L (en) ZERO DETECTOR.
NO774182L (en) DETECTOR.
NL7805701A (en) DEVICE FOR WELL RESEARCH.
NL7712192A (en) GAS LEAK DETECTOR.
NL7902145A (en) GAS DETECTOR.
NL7708829A (en) RECIRCULATION DEVICE FOR REHEATERS.
BE855980A (en) AFDICHTINGSINRICHTING VOOR EEN SCHIJF
BE852883A (en) KUNSTSTOFKRAT ALSMEDE FLESSENDRAGER VOOR EEN DERGELIJKE KUNSTSTOFKRAT
NL7709995A (en) LEAK DETECTOR.
NL7803065A (en) RONTE GENERATOR FOR TRANSAXIAL TOMOGRAPHY.
NL7810974A (en) TRANSHIPPING DEVICE FOR CHARGERS.
NL7801031A (en) CONNECTION FOR SEMI-RIGID PIPES.

Legal Events

Date Code Title Description
DNT Communications of changes of names of applicants whose applications have been laid open to public inspection

Free format text: ANSALDO SOCIETA PER AZIONI

BA A request for search or an international-type search has been filed
BB A search report has been drawn up
BC A request for examination has been filed
A85 Still pending on 85-01-01
BV The patent application has lapsed