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A -- SPECIAL NOTICE FOR NIST TECHNOLOGY DEVELOPMENTS

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Reference-Number-SN02-013Federal

Contract Overview

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AI Contract Overview

The National Institute of Standards and Technology (NIST) is advancing two key technological developments aimed at improving efficiency and reducing costs in their respective fields. The first technology centers on a low-cost, portable refreshable tactile graphic display designed to reduce the number of stimulus points required, thereby lowering both the overall system complexity and the number of actuators needed. This innovation also targets cost reductions in actuator manufacturing, particularly by developing alternatives to conventional piezoelectric actuators, which are typically more expensive. The approach is expected to make tactile displays more accessible and affordable for users requiring graphic feedback. The second technology involves the design and fabrication of an integrated refrigerant expansion valve that allows precise modulation of flow restriction. Utilizing manufacturing techniques common in the silicon processing industry, this valve can be produced in large quantities with highly accurate dimensions at a relatively low cost. This advancement is intended to enhance the efficiency of small vapor compression systems such as refrigerators and window air conditioners by enabling finer control of refrigerant superheat. Additionally, the valve’s capability could be scaled up to regulate refrigerant flow in large evaporator systems more evenly across multiple circuitry branches, thereby improving overall system performance and energy efficiency. For more information, interested parties are directed to contact Mary Clague at NIST.

General Info

NIST develops low-cost tactile displays and precise refrigerant valves to improve efficiency and reduce costs.

Agency

Department Of Commerce Nist

NAICS

541715 - Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)

Place of Performance

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NONE

Documents

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Timeline

PostedMar 5

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Organization & Contact Information

AgencyDepartment Of Commerce Nist

ContactsNo contacts available

OfficeGAITHERSBURG, MD, 20899, USA

Organization / AgencyDepartment Of Commerce Nist

Office AddressGAITHERSBURG, MD, 20899, USA

ContactsNo contact information available

Full Description

DEVELOPMENTS AT NIST Researchers at the National Institute of Standards and Technology (NIST) are working on the following technology. For further information, CONTACT: MARY CLAGUE, TELEPHONE +1 (555) 000-0000 OR EMAIL contact@example.gov, National Institute of Standards and Technology, Technology Partnerships Division, 100 Bureau Drive, Stop 2200, Gaithersburg, Maryland 20899. Fax: +1 (555) 000-0000. THIS IS NOT AN ANNOUNCEMENT OF A PROPOSED CONTRACT ACTION OR A GRANT. NIST DOCKET NUMBER: 02-002PA Title: Low Cost Portable Refreshable Tactile Graphic Display Description: This technology relates primarily to reducing the total number of stimulus points needed by a refreshable tactile graphic display system, though the ratio of actuators to stimulus points can also be reduced for further cost saving. The method is also expected to reduce the cost per actuator, compared to discrete piezoelectric actuators. NIST DOCKET NUMBER: 02-013PA Title: Integrated Refrigerant Expansion Valve Description: This technology describes a refrigerant expansion valve in which flow restriction can be modulated. The valve involves a fluid container, membrane and heater, and is produced using the types of manufacturing processes developed in the silicon processing industry. By taking advantage of these processes, it will become possible to produce an expansion valve in large quantities with accurate dimensions and excellent reproducibility at a relatively small cost per unit. By inexpensively producing a device with this functionality, it will become feasible to utilize them in small vapor compression systems, such as refrigerators and window style air conditioners, to improve the operational efficiency. It will also be feasible to apply such a device on individual circuitry branches of large evaporators to evenly control refrigerant superheat at the outlets of all branches.