Patent ID: 11858478
Assignee: ROBERT BOSCH GMBH
Field: Transport (Mechanical engineering)
Classification: CPC B | IPC B

Claim 15:
16. A fluid guiding apparatus for a wiper arm (12) of a windscreen wiper (10), the fluid guiding apparatus comprising:
a vehicle/arm interface (30) in order to receive windscreen washing liquid from a source (22),
an arm/wiper blade interface (40) which has at least two fluid channels which are provided to supply the windscreen washing liquid to a wiper blade (14),
at least a first and a second fluid line (50, 60) in order to guide the windscreen washing liquid from the vehicle/arm interface (30) to the arm/wiper blade interface (40) and to provide it to one of the fluid channels in each case, and
a heating wire (26) which is guided at least through a portion of the first fluid line (50) and at least through a portion of the second fluid line (60) and which is provided to heat the windscreen washing liquid,
wherein the arm/wiper blade interface (40) has a through-opening which connects the two fluid channels to each other, wherein the heating wire (26) is guided through the through-opening and wherein the through-opening is closed with a sealing element (46),
wherein at least the first fluid line (50) is formed by a first portion (51), a second portion (52) and an intermediate element (53) which is arranged between the first portion (51) and the second portion (52), wherein ends (27) of the heating wire (26) on the intermediate element (53) are guided out of the first fluid line (50).