(19)
(11) EP 0 270 475 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
17.08.1988 Bulletin 1988/33

(43) Date of publication A2:
08.06.1988 Bulletin 1988/23

(21) Application number: 87630250

(22) Date of filing: 19.11.1987
(84) Designated Contracting States:
FR GB IT

(30) Priority: 01.12.1986 US 936424

(71) Applicant: CARRIER CORPORATION
 ()

(72) Inventor:
  • Wright, Edward F., Jr.
     ()

   


(54) Static pressure control in variable air volume delivery systems


(57) A method and apparatus for supplying variable amounts of air to an air volume delivery system (130) including supply ductwork (210) to air terminals (220), with a multi-speed motor (180) subject to direction by controller (200) to produce variable time rates of air volume passing into said ductwork (210) in response to static pressure (as measured by detector (310)) exceeding predetermined limits.







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