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John D Holdcraft, 47534 Smokey Row Ct, Carmel, IN 46033

Known as:
John Alcraft Karla Holdcraft John Oldcraft John Heacock
Related to:
Kenneth P Heacock

John Holdcraft Phones & Addresses

534 Smokey Row Ct, Carmel, IN 46033    317-8440004   

3213 Eden Way, Carmel, IN 46033    317-8440004   

3114 Sandywood Dr, Dayton, OH 45440    937-2935360   

2932 Oakland Ave, Dayton, OH 45409   

Kettering, OH   

6873 Holly Springs Cir, Indianapolis, IN 46254    317-2933830   

1468 Bell Pepper Ct, Fairborn, OH 45324   

Work

Position: Professional/Technical

Education

Degree: Graduate or professional degree

Emails

j***[email protected]
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Mentions for John D Holdcraft

Publications & IP owners

Us Patents

Check Valve For Propulsive Engine Combustion Chamber

US Patent:
2014026, Sep 18, 2014
Filed:
Mar 10, 2014
Appl. No.:
14/202397
Inventors:
- INDIANAPOLIS IN, US
John D. Holdcraft - Carmel IN, US
International Classification:
F02K 7/02
US Classification:
60722, 29888
Abstract:
A combustion chamber includes an inner wall, an outer wall surrounding the inner wall, and a flow passage between the inner wall and outer wall that permits forward flow and restricts reverse flow. The inner wall has a plurality of effusion holes in fluid communication with the inside of the combustion chamber. The outer wall has a plurality of cooling side holes in fluid communication with a cooling source. The inner wall and the outer wall define a flow passage therebetween that fluidly connects one or more of the cooling side holes with one or more of the effusion holes. The flow passage has a geometric configuration to permit forward flow of gases through the flow passage from the cooling source to the inside of the combustion chamber and to restrict reverse flow of gases through the flow passage from the inside of the combustion chamber to the cooling source. The permitted flow rate is greater than the restricted flow rate.

Possible Relatives

David M Holdcraft  Jonathan D Holdcraft  Karen D Holdcraft  Lisa K Holdcraft  Mark R Holdcraft  Stanley A Holdcraft  John M Johnson  John Stamps  John R Stan  John Stanard 

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