Vehicle air-conditioning unit
AssigneeDenso Corporation
InventorHideo AIZAWA
Life of this patent
Estimating the term…
Abstract
A vehicle air-conditioning unit includes an air-conditioning case, a heater, and an opening-closing device. The air-conditioning case includes a first air passage, a second air passage and a third air passage provided in parallel with each other. The heater is provided in the third air passage and heating the air flowing in the third air passage. The opening-closing device opens and closes the third air passage on a downstream side of the heater. The third air passage includes an opening hole that is an opening end of the third air passage on an upstream side of the heater, and the air-conditioning case includes a hole separation portion dividing the opening hole of the third air passage into a plurality of separation holes.
Claims10
A vehicle air-conditioning unit comprising:
- an air-conditioning case including
- a first air passage,
- a second air passage connected to the first air passage, an air flowing from the first air passage to the second air passage, and
- a third air passage connected to the first air passage in parallel with the second air passage and joined together with the second air passage on a downstream side in an airflow, the air flowing from the first air passage to the third air passage;
- a heater provided in the third air passage and heating the air flowing in the third air passage;
- and
- an opening-closing device opening and closing the third air passage on one of an upstream side and the downstream side of the heater, wherein
- the third air passage includes an opening hole that is an opening end of the third air passage on another of the upstream side and the downstream side of the heater, and
- the air-conditioning case includes a hole separation portion dividing the opening hole of the third air passage into a plurality of separation holes.
Dependencies are inferred from the claim text.