Abstract: The invention relates to an apparatus for heating people, particularly those travelling on motor cycles or in motor vehicles, such as open motor vehicles, or watercraft, tracked vehicles or working vehicles having internal combustion engines, or working on ocean-going ships, floating drilling platforms, etc, in which a hot air producing apparatus supplied with the waste heat of an internal combustion engine comprising a heat exchanger whose casing tube surrounds the exhaust pipe portion of the internal combustion engine and having a cold air inlet and a hot air outlet connection with a meterable cold air supply, is connected by means of a flexible hose connection to the inner area of a double-layer article of clothing, to which is supplied by means of a blower the hot air produced by the heat exchanger and which on the side facing the person wearing the clothing is provided with hot air outlets.

Abstract: The invention relates to an apparatus for heating persons travelling in or on motorcycles or motor vehicles having internal combustion engines, particularly open motor vehicles, racing vehicles or rail vehicles, particularly working vehicles or working on ships, floating drilling platforms, etc. comprising a hot air generator supplied with the waste heat of the internal combustion engine and an article of clothing connected to said generator by means of a flexible line and by means of which hot air can be supplied to the person wearing the clothing.