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Method for regulation of ventilation as well as an air-conditioning device used in the method

  • US 5,031,515 A
  • Filed: 11/20/1989
  • Issued: 07/16/1991
  • Est. Priority Date: 02/18/1988
  • Status: Expired due to Term
First Claim
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1. A method for regulation of ventilation, said method comprising the steps of removing air out of a room space through an air-conditioning device as outlet air and in said air-conditioning device, recirculating part of the outlet air as return air back into the room space, whereby said return air is mixed with outdoor air to be passed into the room space wherein, before the outlet air is made to flow via a return-air damper to the point of mixing of return air and outdoor air, causing the outlet air to flow first through a blower and then through an outlet-air damper placed in one outlet-air duct and, thereupon, via the return-air damper, and simultaneously removing as waste air the portion of the outlet air that is not recirculated via the return-air damper, without throttling, out of the air-conditioning device.

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