COUNTERWEIGHT FOR A DRIVE SHAFT DESIGNED FOR DIFFERENT BALANCING REQUIREMENTS OF PLURALITY OF ROTARY MACHINES

1. General Information
1.1	Patent Application No.	667/KOL/2005	Filed on 26/07/2005
1.2	Published in the	Official Journal The Indian Patent Office Dated 02/09/2011
1.3	Title of Invention	COUNTERWEIGHT FOR A DRIVE SHAFT DESIGNED FOR DIFFERENT BALANCING REQUIREMENTS OF PLURALITY OF ROTARY MACHINES
1.4 a	Applicant’s/Grantee’s/ Assignee’s name	EMERSON CLIMATE TECHNOLOGIES, INC
14 b	Applicant’s full address	1675 W. CAMPBELL ROAD,SIDNEY,OHIO 45365-0669,U.S.A.
1.5	International Application Number	N/A	Dated
1.6	International Publication No.	N/A	Dated 02/09/2011

2. Preliminary Analysis:
On reading abstract/full text of the claimed invention, we would like to offer Analysis Report as follows:
2.1.a	Category of Invention:	Physics
2.1.b	Subtype:	Dynamics of machine
2.2.a	International Patent Classification No.	FO1C 1/02
2.2 b	International Patent Classification Classes:	Mechanical engineering/general measures/ Suppression of vibrations in systems/operating automatically
2.2.c.	US classification No.	U.S.A
2.3	Name of priority country	U.S.A
2.4	Name of the Inventors	EMERSON CLIMATE TECHNOLOGIES, INC.
2.5	Inventor’s Full Address	1675 W. CAMPBELL ROAD,SIDNEY,OHIO 45365-0669,U.S.A.
2.6	Keywords used ( minimum 5)	Automatic balancing device + rotating mass+
2.7	Patent Numbers referred	US5386163 US5437543 US6173628 US6291920 US6305914
2.8	Brief about Invention	A balancing system for different compressors utilizes a counterweight having a common exterior configuration. The mass of the counterweight is optimized for each compressor by changing the size of a recess located in the counterweight.

2.10 . Details of Invention/s prior to the date of filing application in India are given below (The most relevant patents/applications are discussed as under) :
	Application No.	Summary
2.10.1	US5495885	Method for making rotor counterweight insert apparatus
2.10.2	US6291920	It is about Motor counter weight attachment
2.10.3	US5437543	It is about improving airtight sealing of compression chambers
2.11	Prima-facie Observations	This patent is about balancing system for different compressors utilizes a counterweight having a common exterior configuration.

Analysed by: