Patent · US Active

Diaphragms with encapsulated springs

US10047863B1 · kind B1 · utility

0Cited by
12References
20Claims
0Family size

Inventors

Key dates

Filing dateMay 24, 2017
Grant dateAug 14, 2018
Priority date
Expiry dateMay 24, 2037

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG01L19/0627
  • WIPO fieldEngines, pumps, turbines
  • WIPO sectorMechanical engineering

Abstract

A device is disclosed comprising a diaphragm mechanism. A diaphragm mechanism comprises an enclosure defined by opposing flexible walls joined along a perimeter of the enclosure and one or more coiled springs contained entirely between the opposed flexible walls. A central, helical axis of the one or more coiled springs is disposed substantially parallel to the opposed flexible walls and arrayed in concentric spirals around a central hole or arrayed in parallel bands.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.