Abstract: The invention relates to a method and an arrangement for the detection of shorts circuits in the electrical system in a vehicle provided with a battery comprising—measuring and storing the value of the battery voltage at a first moment in time,—measuring the value of the battery voltage at a second moment in time,—comparing the values of the battery voltage at the first and second moments in time,—checking, if the battery voltages at the two moments in time differ from each other by more than a predetermined value, whether one or several of certain predefined systems in the vehicle have been engaged during the interval of time between the first and the second moments in time, with a short circuit being assumed to have taken place if none of the systems in the vehicle have been engaged during the interval of time.

Abstract: A protecting device for a reservoir (2) disposed on a vehicle (1) and intended to contain a medium. The device includes an arrangement (5) disposed inside the reservoir (2) and which takes the form of at least one solid body that deters relative movement, given the presence of the medium in frozen form in the reservoir (2), between the frozen medium and the reservoir during transport of the vehicle (1).

Abstract: The invention relates to a method and an arrangement for the detection of shorts circuits in the electrical system in a vehicle provided with a battery comprising—measuring and storing the value of the battery voltage at a first moment in time,—measuring the value of the battery voltage at a second moment in time,—comparing the values of the battery voltage at the first and second moments in time,—checking, if the battery voltages at the two moments in time differ from each other by more than a predetermined value, whether one or several of certain predefined systems in the vehicle have been engaged during the interval of time between the first and the second moments in time, with a short circuit being assumed to have taken place if none of the systems in the vehicle have been engaged during the interval of time.

Abstract: A lock including a lock casing (1), a locking mechanism (2) dislaceable therein and connected to a latch bolt (2a) and block means (12), which are movable transversally to the displacement direction of the locking mechanism and resiliently loaded (14) towards positions blocking the locking mechanism, wherein the blocking means can be brought to releasing positions by insertion of a card (3) serving as a key and having recesses (3a) corresponding to the blocking means. The blocking means (12) are preferably annular and entirely guided in the displaceable locking mechanism (2) as well as moveable between two blocking end positions, in which each blocking means is in locking engagement with the lock casing (1a,1b). The card (3) belonging to the lock has through-going, elongated slits (3a) located and dimensioned to receive the annular blocking means (12), so that upon insertion of the card all the blocking means (12) are brought to intermediate positions permitting the displacement of the locking mechanism.