UniCopter ~ Pusher Prop - Variable Speed Rotors and Prop

Concerns:

 

Forward Velocity: [mph] [ft/min]

Prop: [rpm]

Speed at 75%R [ft/min]

Circumference 11.79 ft

Advance 34"x.85 per revolution [mph]

Tip Speed [Mach]

Angle of Attack: [degrees]

 

0, 0

0

 

 

 

 

 

40, 3520

0 ?

0

0

0

 

 

80, 7040

825

9,723

 

 

 

 

120, 10560

1650

19,446

 

 

 

 

160, 14080

2475

29,170

 

 

 

 

200, 17600

3300

38,893

90

0.80

 

Overview:

Advantages:

Possibly Related Patents:

Nick,

As you probably know, I have an interest in the concept of 'Variable Speed Rotors and Propellers', having posted
this publicly displayed thread in PPRuNe five months before the filing date of the following Patent Application.

Therefore, it was interesting to read your
US patent application 20070125907 ~ Variable speed gearbox with an independently variable speed tail rotor system for a rotary wing aircraft.

A question comes up, which I am sure you can answer.

The patent's tittle includes "...with an independently variable speed tail rotor system for a rotary wing aircraft.". In addition, Claim 2 says "... said tail rotor system at an independently variable speed relative said engine speed.", and Claim 14 says " ... and an independently speed-variable tail rotor system ...".

However, there are no details on this variable-speed tail-rotor ("transitional thrust system 18 and 18' "). In addition, the associated drawings only show a blank box.

I understand that the US Patent Office does not review the Claims in a Patent Application, but my question is why is there an 'all-encompassing' claim in the patent application?


Dave

 Working Papers:

 

DESIGN:

B475

MAKE:

 

Items:

DESIGN:

 

Name

Item

 

DESIGN: UniCopter ~ Pusher Prop - Variable Speed Rotors & Prop - General Arraignment

1466

 

DESIGN: UniCopter ~ Pusher Prop - Variable Speed Rotors & Prop - Transmission

1510

 

DESIGN: UniCopter ~ Pusher Prop - Variable Speed Rotors & Prop - Speed Controller - Worm & Wheel

1511

 

DESIGN: UniCopter ~ Pusher Prop - Variable Speed Rotors & Prop - Speed Controller - xxxx

xxxx

 

DESIGN: UniCopter ~ Pusher Prop - Variable Speed Rotors & Prop - Propeller

1513

 

DESIGN: UniCopter ~ Pusher Prop - Variable Speed Rotors & Prop - 3-way Differential (alternative)

1403

MAKE:

 

Name

Item

 

 

 

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Last Revised: March 14, 2011