Engineering Papers⌕ Search

SEARCH · Engineering Papers

Results for “portable”

Search indexed NASA NTRS and DOE OSTI research on propulsion, heat transfer, battery materials and energy systems. Follow report and document links to the original sources.

Quote a phrase for an exact phrase match. Source license links do not imply unrestricted reuse.

At least 343 records · Page 19

Portable reflectometer.

Portable integrating sphere reflectometer, describing optical system, construction, etc

Finkel, M. W.↗

Portable alignment tool Patent

Portable device for aligning surfaces of two adjacent wall or sheet sections for joining at point of junction

Franklin, W. J.↗

Portable superclean air column device Patent

Portable apparatus producing high velocity annular air column surrounding low velocity, filtered, superclean air central core for industrial clean room environmental control

Kiszko, W.↗

High resolution portable holocamera

High resolution portable hologram recording camera with pulsed ruby laser light source and rechargeable storage batteries as self contained power supply

Close, D. H.↗

Portable electron beam weld chamber

Development and characteristics of portable vacuum chamber for skate type electron beam welding are discussed. Construction and operational details of equipment are presented. Illustrations of equipment are provided.

Lewis, J. R.↗

Portable beveling tool

Portable tool was designed to semiautomatically bevel end surfaces of tubular or cylindrical components. Tool may be used for fabrication of elbow assembly which requires mating flange and elbow by fusion butt welding.

Snowden, R. H.↗

Development of a portable life support system and emergency life support pack

The design, development, and fabrication of a feasibility model of a breathing bag life support system for extravehicular activity are discussed. The breathing vest and back pack portable life support system contains connectors which allow external water and gas supply. At a metabolic rate of 2000 BTU per hour, the two low pressure bottles provide 27 minutes of breathing gas for a total filled system weight of 30.5 pounds.

Source record↗

A portable absorbed dose measuring instrument with gamma discrimination

The characteristics of an electronic instrument for measuring the radiation dose absorbed by tissues are presented. The detector is a sphere of tissue-equivalent plastic with a single wire located on a diameter of the sphere. The electronic circuits and method of operation of the detector are described. Advantages are the small size and easy portability plus ability to selectively measure neutron and gamma plus neutron events.

Quam, W. M.↗

Portable breathing apparatus for coal mines

The state of the art in portable oxygen breathing equipment is reported. Considered are self-containing as well as chemically generating oxygen sources and their effectiveness and limitations in mine rescue operations.

Vandolah, R. W.↗