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An improved heater plate

A heater and humidifier technology, applied in water heaters, fluid heaters, control of fluid heaters, etc., can solve problems such as high gas humidity, gas too hot or too cold for patients, and inaccuracy

Inactive Publication Date: 2021-11-30
VINCENT MEDICAL (DONG GUAN) MFG CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, it has now been found that this method may be inaccurate where temperature variations of up to, say, 10°C
[0005] This temperature change, in turn, can cause either insufficient humidity in the gas, or too much humidity in the gas
This can also cause the gas to be too hot or too cold for the patient
This can also cause other problems like bacterial growth in the water reservoir, and / or the water reservoir drying up when all the water evaporates from the water reservoir

Method used

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Embodiment Construction

[0013] All measurements are in metric units unless specifically stated otherwise. In addition, all percentages, ratios, etc. herein are by weight unless specifically stated otherwise.

[0014] As used herein, the term "fixed to" and variations thereof mean that two or more items are directly or indirectly connected to each other as desired. Thus, in the absence of other descriptors, the term "fixed to" and its variants include "directly fixed to" and "indirectly fixed to".

[0015] Embodiments of the invention relate to a heater plate comprising a thermally conductive plate comprising a top surface and a bottom surface. The bottom surface is opposite the top surface and includes a temperature sensor affixed to the bottom surface, a thermally conductive layer affixed directly to the bottom surface, and a ceramic heating element affixed directly to the thermally conductive layer.

[0016] The heater plate can be used to heat water in eg a humidifier / humidification system or a ...

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Abstract

A heat plate (1) for a humidifier contains a thermally-conductive plate (10) having a top surface (12) and a bottom surface (14) opposite the top surface (12). A temperature sensor (16) is affixed to the bottom surface (14) and a thermally-conductive layer (18) is directly-affixed to the bottom surface (14). A ceramic heating element (20) is directly-affixed to the thermally-conductive layer (18). A humidifier and medical device may also contain such a heater plate (1).

Description

technical field [0001] The present invention relates to heater plates, and more particularly to heater plates for providing humidified air or gas. Background technique [0002] A humidifier is a common appliance and device that provides humidified air or humidified gas. Humidifiers are used in houses, hospitals, etc. and come in a variety of forms. Humidifiers can use heat or ultrasonic vibrations. [0003] Humidifiers and other medical devices therefore often contain heater plates that are heated to conduct thermal energy to, for example, water or a container containing water, causing the water to evaporate and / or even boil. A typical heater plate contains a heating element, usually electric, and more recently, ceramic heating elements have become popular and are used, for example, in respiratory humidifiers to assist patients who need to breathe humidified air. See, eg, US 9,821,135 B2 issued November 21, 2017 to Tang et al. and assigned to ResMed LLC. [0004] Heaters...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F24H1/18A61M16/16
CPCA61M16/16A61M2205/3368A61M2205/3393A61M2205/3389A61M2205/332A61M2205/14A61M16/161A61M2016/0039A61M2230/06F24H1/0018F24H9/2014F24H2250/04H05B3/68H05B1/0244G05D22/02A61M16/109A61M16/024F24H15/132F24H15/25A61M2205/3646
Inventor 雷宇徐结兵于海滨胡振湘赵军
Owner VINCENT MEDICAL (DONG GUAN) MFG CO LTD