F - Mech Eng,Light,Heat,Weapons – 28 – D
Patent
F - Mech Eng,Light,Heat,Weapons
28
D
257/7
F28D 19/00 (2006.01)
Patent
CA 1118759
ABSTRACT OF THE DISCLOSURE Adjusting means for the sector plate sealing members of rotary regenerative heat exchangers, particularly an adjusting means which in response to a thermal deformation of the regenera- tor body to dish-like shape of the end surfaces of the regenera- tor body and the corresponding variation of the sealing spaces actuates adjusting linkages of the sealing members by means of a servo device so as to maintain a predetermined sealing space, wherein at least one sensing means is attached to each sealing member, adjacent a circumferential metal flange supported by the regenerator body, characterized in that the sensing means is provided with an electrically conducting sensing disc which is insulated from the sealing member and is positioned close to the metal flange, in addition to which said sensing disc and said sealing member are electrically connected to a high frequency amplifier, which is arranged to amplify control signals indicating variations of capacity appearing in response to variations of the distance between said flange and said sensing disc which control signals are supplied to said servo device for the adjusting of said sealing members.
335098
Abb Air Preheater Inc.
Marks & Clerk
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