Part-I - Controller General of Patents Designs and Trademarks

(12) PATENT APPLICATION PUBLICATION (21) Application No.3036/MUM/2010 A
(19) INDIA
(22) Date of filing of Application :01/11/2010 (43) Publication Date : 21/06/2013
(54) Title of the invention : HORIZONTAL BOX TYPE HEAT RECOVERY UNIT
(51) International classification
(31) Priority Document No :NA
(32) Priority Date :NA
(33) Name of priority country :NA
:F28D7/00;
F28D15/00
(86) International Application No
:NA
Filing Date
:NA
(87) International Publication No :N/A
(61) Patent of Addition to Application Number :NA
Filing Date
:NA
(62) Divisional to Application Number
:NA
Filing Date
:NA
(71)Name of Applicant :
1)LARSEN & TOUBRO LIMITED
Address of Applicant :ENGINEERING AND
CONSTRUCTION DIVISION, POWAI CAMPUS (W), SAKI
VIHAR ROAD, MUMBAI 400 072, MAHARASHTRA,
INDIA
(72)Name of Inventor :
1)SARKAR SUMANTA ASITKUMAR
2)BHAD TUSHAR PURUSHOTTAM
3)KAUSHIK ARVIND SATYAPRAKASH
(57) Abstract :
Horizontal box type heat recovery unit. The heat recovery unit (1) comprises a box type body (2) having a pyramidal hot gas inlet
(3) at one end thereof and a pyramidal hot gas outlet (4) at the other end thereof and atleast one tube bank (6, 7) located in the box
type body. The tube bank has a working fluid inlet (8) and outlet (9). The heat recovery unit further comprises guide vanes (5)
located in the hot gas inlet thereof. The heat recovery unit also comprises a horizontal gas flow partition plate (11) disposed
horizontally in the hot gas inlet thereof and extending axially upto the tube bank. The guide vanes are equidistantly located with
respect to the inner wall of the hot gas inlet and the partition plate is equidistantly located with respect to the guide vanes
No. of Pages : 10 No. of Claims : 2
The Patent Office Journal 21/06/2013 13586