Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
182 words
A method of serving a building with cool air during daytime while using air-conditioning apparatus, the building having a space to be supplied with cool air, a plenum chamber above said space defined by the building structure, a partition between the space and the plenum chamber, and at least one air return opening through the partition intercommunicating the space and the plenum chamber, the method comprising the steps of, cyclically, during the night, venting the plenum chamber defined by the building structure, bringing cool air into said plenum chamber and cooling said building structure defining said plenum chamber, during a subsequent day introducing primary cool air, cooled by air-conditioning apparatus, by a primary air stream into said space, creating a secondary air flow from said space to said plenum chamber through said air return opening by evacuating the cooled air from said plenum chamber into said space, bringing the replacement air entering said plenum chamber into heat exchange relationship with precooled building structure defining said plenum chamber whereby the replacement air is cooled for inclusion in further air flow into said space.
Claim 2
Independent Claim
182 words
A method of serving a building with cool air during daytime while using air-conditioning apparatus, the building having a space to be supplied with cool air, a plenum chamber above said space defined by the building structure, a partition between the space and the plenum chamber, and at least one air return opening through the partition intercommunicating the space and the plenum chamber, the method comprising the steps of, cyclically, during the night, venting the plenum chamber defined by the building structure, bringing cool air into said plenum chamber and cooling said building structure defining said plenum chamber, during a subsequent day introducing primary cool air, cooled by air-conditioning apparatus, by a primary air stream into said space, creating a secondary air flow from said space to said plenum chamber through said air return opening by evacuating the cooled air from said plenum chamber into said space, bringing the replacement air entering said plenum chamber into heat exchange relationship with precooled building structure defining said plenum chamber whereby the replacement air is cooled for inclusion in further air flow into said space.
Claim 3
Dependent Claim
29 words
The method of claim 1 further characterized by evacuating the cooled air from said plenum chamber into said space by using said primary air stream as an induction source.
Claim 4
Dependent Claim
42 words
The method of claim 1 further characterized by collecting heated air from the plenum chamber which emanates from lighting fixtures in the partition to prevent heat contamination of cool air in said plenum chamber by rejecting the heated air to the atmosphere.