Patent ID: 7270600

Claim:
A window having ventilation equipment comprising: a window frame formed with a separation passage between outdoor window glass and indoor window glass; a first mounting hole penetrating from outdoor side to indoor side at a position of said window frame, the inside of which can communicate with said separation passage; a second mounting hole penetrating from outdoor side to indoor side at another position of said window frame, the inside of which can communicate with said separation passage; a first casing inserted into said first mounting hole, and formed with a first indoor air flow opening which is opened toward indoor side and a first outdoor air flow opening which is opened toward outdoor side; a second casing inserted into said second mounting hole, and formed with a second indoor air flow opening which is opened toward indoor side and a second outdoor air flow opening which is opened toward outdoor side; a fan provided in the inside of said first casing for blowing from the inside of said first casing to said second casing through said separation passage; and a plurality of switching means respectively provided in said first indoor air flow opening and said first outdoor air flow opening, as well as said second indoor air flow opening and said second outdoor air flow opening.