The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 24, 1988
Filed:
Oct. 17, 1986
Kenji Isono, Tokyo, JP;
Jutaro Kobayashi, Tokyo, JP;
Takehiko Gonda, Ageo, JP;
Yoshio Sasyo, Funabashi, JP;
Nagaichi Suga, Tokyo, JP;
Shinichi Katayanagi, Tokyo, JP;
Suga Weathering Technology Foundation, Tokyo, JP;
Abstract
A snow generating and snowfall apparatus has a snowfall chamber having in a top wall thereof an opening, a vertically extending cooling tower having the bottom mounted on the top wall and surrounding the opening, a air first cooler connected to the tower for cooling the air in the tower, an inner cylinder positioned in the cooling tower and extending in the lengthwise direction thereof and having a bottom end opening connected to the opening in the top wall, a circulating passage connecting the top end of the inner cylinder and a lower end portion thereof to each other, a variable speed blower in an intermediate portion of the circulating passage, a humidifier connected to the lower portion of the inner cylinder for feeding water vapor into the inner cylinder in the vicinity of the lower end thereof, and a snow generating material feeder connected to the inner cylinder in the vicinity of the humidifer for feeding a snow-generating material consisting of ice crystals into the inner cylinder.