Gas lighter

Abstract

A gas lighter with a tank for liquefied gas, a burner valve which can be brought into flow connection with an outlet of the tank, an ignition device and an actuation device for effecting the ignition of a gas stream emerging from the burner valve, has a keypad which is accessible from outside, including associated evaluation electronics. The evaluation electronics of the keypad are coupled with the actuation device and the latter can then effect a single ignition of the gas lighter if a code generating a release signal is entered beforehand via the keypad.

1 . Gas lighter with 
 a tank ( 2 ;  2 ′) for liquefied gas,    a burner valve ( 3 ,  11 ;  3 ′) which can be brought into flow connection with an outlet of the tank ( 2 ;  2 ′),    an ignition device ( 6 ,  9 ;  21 ,  24 ),    an actuation device ( 7 ;  22 ) effecting the ignition of a gas stream emerging from the burner valve ( 3 ,  11 ;  3 ′) and    a keypad ( 8 ;  8 ′) accessible to the user from the outside including associated evaluation electronics,    characterized in that the evaluation electronics of the keypad ( 8 ;  8 ′) are functionally coupled with the actuation device ( 7 ;  22 ) and this can effect a single ignition if a code which generates a release signal, is entered beforehand via the keypad ( 8 ;  8 ′)    
     
     
         2 . Gas lighter according to  claim 1  with ignition electronics ( 9 ), characterized in that the ignition electronics ( 9 ) are activated by the release signal.  
     
     
         3 . Gas lighter according to  claim 1  with a manually displaceable actuation element ( 22 ) for effecting the ignition, characterized in that the actuation element ( 22 ) is kept in undisplaceable position by mechanical securing means ( 14 ′,  15 ′,  23 ) and in that the release signal disconnects the mechanical securing means ( 14 ′,  15 ′,  23 ).  
     
     
         4 . Gas lighter according to  claim 3 , characterized in that mechanical securing means ( 14 ′,  15 ′,  23 ) comprise a solenoid ( 15 ) which is excited by the release signal and moves a securing element ( 23 ) against spring force out of the displacement path of the actuation element ( 22 ).  
     
     
         5 . Gas lighter with 
 a tank for liquefied gas,    a burner valve which can be brought into flow connection with an outlet of the tank,    an ignition device,    an actuation device effecting the ignition of a gas stream emerging from the burner valve and    a keypad ( 8 ″) accessible to the user from the outside including associated evaluation electronics,    characterized in that a lid ( 25 ) is swivellably attached to the lighter housing ( 1 ″), which lid, in the opened state, effects the connection of the burner valve to the outlet of the gas tank such that the lid, through mechanical securing means ( 14 ″,  15 ″,  26 ,  29 ) is held locked in its closed position and in that through entry of a code via the keypad ( 8 ″) a release signal is generated which moves the mechanical securing means ( 14 ″,  15 ″,  26 ,  29 ) into a release position.    
     
     
         6 . Lighter according to  claim 5 , characterized in that the mechanical securing means ( 14 ″,  15 ″,  26 ,  29 ) have a swivellable latch ( 26 ) for engaging with a latch means ( 27 ) of the lid ( 1 ) which latch ( 26 ), through activation of a solenoid ( 14 ″,  15 ″), is moved against the force of a spring ( 29 ) into the release position and thus makes possible the opening of the lid ( 25 ).