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(12) PATENT APPLICATION PUBLICATION
(19) INDIA (21) APPLICATION No:
1609/MAS/1998A
(22) Date of filing of Application: 20/07/1998 (43) Publication Date: 09/06/2006
(54) Title of the invention:
A BI-DIRECTIONAL FLOW IMPULSE
TURBINE WITH UNI-DIRECTIONAL
ROTATION
(51) International classification: F 16 41/00
(31) Priority Document No.
(32) Priority Date:
(33) Name of priority country:
(87) WIPO No. :
(61) Patent of addition to
Application No. :
Filed on:
(62) Divisional to
Application No.:
Filed on:
(71) Name of Applicant
NATIONAL INSTITUTE OF OCEAN
TECHNOLOGY
Address of Applicant:
IC & SR BUILDING, IIT CAMPUS,
CHENNAI 600 036.
INDIA
(72) Name of the Inventor(s):
PROF. MUTHUKAMATCHI
RAVINDRAN,
SUNDARAM SANTHAKUMAR
(57) Abstract
The bi-directional flow impulse turbine with uni-directional rotation according to this invention comprises a turbine
rotor with blades housed in a casing the turbine being symmetrical about the mid rotational plane and the blades being
symmetrical about ~ the rotor plane. the two rows of fixed guide vanes, disposed with in the casing,on either side of
the rotor and symmetrical with respect to the mid rotational plane both the rows of said guide vanes having the same
nozzle cascade geometry, the cascade outlet directions being axial.
The Patent Office Journal 09/06/2006 10790