Method and apparatus for refrigerant detector calibration confirmation
US10760838B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 20, 2017 |
| Grant date | Sep 1, 2020 |
| Priority date | — |
| Expiry date | Jul 6, 2038 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF25B2500/222
- WIPO fieldThermal processes and apparatus
- WIPO sectorMechanical engineering
Abstract
A refrigerant detector testing system according to aspects of the disclosure includes a metering orifice formed in a suction line that is disposed between an evaporator coil and a compressor, a valve fluidly coupled to the metering orifice, a connecting tube fluidly coupled to the valve on a side opposite the metering orifice, a mixing device having an input orifice fluidly coupled to the connecting tube. In some embodiments, the mixing device includes an air intake disposed proximate the input orifice, a throttling portion downstream of the input orifice and the air intake, the throttling portion having a reduced cross-sectional area, and a diffuser section positioned downstream of the throttling portion, the diffuser section having an output orifice. According to aspects of the disclosure, a refrigerant detector fluidly exposed to the output orifice.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.