Kurita Water Industries has filed a patent for a dilute solution production apparatus. The apparatus produces a dilute solution by adding a second liquid containing conductivity-imparting or oxidation-reduction potential regulating substances to a first liquid. It includes a pump, a degassing mechanism, and a water quality detector. The degassing mechanism is controlled to operate when the water quality detection value varies by a predetermined value or more. GlobalData’s report on Kurita Water Industries gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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According to GlobalData s company profile on Kurita Water Industries, reverse osmosis and nano-filtration was a key innovation area identified from patents. Kurita Water Industries's grant share as of June 2023 was 1%. Grant share is based on the ratio of number of grants to total number of patents.
The patent filed is for a dilute solution production apparatus
The patent application (Publication Number: US20230142129A1) describes a dilute solution production apparatus that is capable of producing a dilute solution by adding a second liquid to a first liquid. The second liquid contains either a conductivity-imparting substance or an oxidation-reduction potential regulating substance.
Claim 1 outlines the components of the dilute solution production apparatus. It includes a first pipe through which the first liquid flows, a pump that adds the second liquid to the first pipe via a second pipe, a degassing mechanism extending from the pump, and a water quality detector downstream of the connection point between the first and second pipes. The water quality detector can be a conductivity meter, a resistivity meter, or an oxidation-reduction potential meter. The degassing mechanism control part operates the degassing mechanism when the water quality detection value varies by a predetermined value or more.
Claim 2 describes a similar dilute solution production apparatus but with the addition of a flowmeter downstream of the pump in the second pipe. The degassing mechanism control part operates the degassing mechanism when the detection value of the flowmeter varies by a predetermined value or more.
Both claim 3 and claim 4 specify that the dilute solution production apparatus includes a tank for storing the second liquid, with the second pipe connected to the tank. The degassing mechanism consists of a degassing pipe that guides the second liquid mixed with a gas from the pump to the tank, and a valve provided in the degassing pipe. The degassing mechanism control part controls the opening and closing of the valve.
In summary, the patent application describes a dilute solution production apparatus that can produce a dilute solution by adding a second liquid to a first liquid. The apparatus includes various components such as pipes, pumps, degassing mechanisms, water quality detectors, and flowmeters. The degassing mechanism control part operates the degassing mechanism based on the detection values of the water quality detector or flowmeter. The apparatus also includes a tank for storing the second liquid and a valve in the degassing pipe for controlling the flow of the liquid and gas mixture.
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