The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 7770377 B1

PDF
Full Text
Expired
Date of Patent:
Aug. 10, 2010

Filed:

Apr. 03, 2006
Applicant:

Andrew M. Rolt, Derby, GB;

Inventor:

Andrew M. Rolt, Derby, GB;

Assignee:

Rolls-Royce plc, London, GB;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
F02K 3/02 (2006.01); F02C 7/10 (2006.01);
U.S. Cl.
CPC ...
Abstract

A bypass turbofan engine comprises a first propulsion system and a second propulsion system. The first propulsion system comprises a first fan rotor, a core engine, a first low pressure turbine and a first fan shaft drivingly connecting the first turbine and the first fan rotor. The second propulsion system comprises a second fan shaft drivingly connecting to a second fan rotor and the first propulsion system and arranged so that the first and second shafts are not coaxial with one another.


Find Patent Forward Citations

Rolt, Andrew. (2010). Turbofan arrangement (U.S. Patent No. 7770377). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7770377

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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