IT1246662B - Acoustic device for indicating an irregularity in the position of the control lever of an emergency manual release valve for the doors of railway carriages and for comparable uses - Google Patents

Acoustic device for indicating an irregularity in the position of the control lever of an emergency manual release valve for the doors of railway carriages and for comparable uses

Info

Publication number
IT1246662B
IT1246662B ITFI910015A ITFI910015A IT1246662B IT 1246662 B IT1246662 B IT 1246662B IT FI910015 A ITFI910015 A IT FI910015A IT FI910015 A ITFI910015 A IT FI910015A IT 1246662 B IT1246662 B IT 1246662B
Authority
IT
Italy
Prior art keywords
manual release
doors
irregularity
indicating
control lever
Prior art date
Application number
ITFI910015A
Other languages
Italian (it)
Inventor
Alessandro Niccoli
Sergio Naldoni
Original Assignee
Alessandro Niccoli
Sergio Naldoni
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 Alessandro Niccoli, Sergio Naldoni filed Critical Alessandro Niccoli
Priority to ITFI910015A priority Critical patent/IT1246662B/en
Publication of ITFI910015A0 publication Critical patent/ITFI910015A0/en
Publication of ITFI910015A1 publication Critical patent/ITFI910015A1/en
Application granted granted Critical
Publication of IT1246662B publication Critical patent/IT1246662B/en

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  • Mechanical Control Devices (AREA)

Abstract

When the emergency valve 1 (necessary for manual release from the exterior of the pneumatic safety latches P of railway carriage access doors, especially for high and very high speeds) is not in a position such as to render operative the safety mechanism built into the system, an acoustic indicating device 21 with a function of an alarm is activated by the fact that it is supplied with compressed air from the control line. The said acoustic indicating device 21 is however disabled when the emergency valve is in the correct position for activation of the built-in safety mechanism. (Fig. 2). <IMAGE>
ITFI910015A 1991-01-18 1991-01-18 Acoustic device for indicating an irregularity in the position of the control lever of an emergency manual release valve for the doors of railway carriages and for comparable uses IT1246662B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ITFI910015A IT1246662B (en) 1991-01-18 1991-01-18 Acoustic device for indicating an irregularity in the position of the control lever of an emergency manual release valve for the doors of railway carriages and for comparable uses

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITFI910015A IT1246662B (en) 1991-01-18 1991-01-18 Acoustic device for indicating an irregularity in the position of the control lever of an emergency manual release valve for the doors of railway carriages and for comparable uses

Publications (3)

Publication Number Publication Date
ITFI910015A0 ITFI910015A0 (en) 1991-01-18
ITFI910015A1 ITFI910015A1 (en) 1992-07-18
IT1246662B true IT1246662B (en) 1994-11-24

Family

ID=11349438

Family Applications (1)

Application Number Title Priority Date Filing Date
ITFI910015A IT1246662B (en) 1991-01-18 1991-01-18 Acoustic device for indicating an irregularity in the position of the control lever of an emergency manual release valve for the doors of railway carriages and for comparable uses

Country Status (1)

Country Link
IT (1) IT1246662B (en)

Also Published As

Publication number Publication date
ITFI910015A0 (en) 1991-01-18
ITFI910015A1 (en) 1992-07-18

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Legal Events

Date Code Title Description
0001 Granted
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19970113