초록 ▼

A liquid flow control device is disclosed for delivering either cold water or hot water mixed with cold water comprising a chamber having an inlet for cold water and an inlet for either hot water or mixed hot and cold water and a discharge outlet for connection to a sink delivery fitting, a solenoid

A liquid flow control device is disclosed for delivering either cold water or hot water mixed with cold water comprising a chamber having an inlet for cold water and an inlet for either hot water or mixed hot and cold water and a discharge outlet for connection to a sink delivery fitting, a solenoid operated valve which stops and starts the flow of cold water through the chamber, a solenoid operated valve which stops and starts the flow of hot water or mixed hot and cold water through the chamber and a switch for each solenoid the arrangement being such that some cold water flows through the device each time the latter operates.

대표청구항 ▼

A liquid flow control device for delivering from a hot water supply and a cold water supply either cold water or hot water mixed with cold water, said flow control device comprising a chamber having a first inlet, a second inlet and a discharge outlet for connection to a sink delivery fitting, means

A liquid flow control device for delivering from a hot water supply and a cold water supply either cold water or hot water mixed with cold water, said flow control device comprising a chamber having a first inlet, a second inlet and a discharge outlet for connection to a sink delivery fitting, means connecting said first inlet to said cold water supply means for connecting said second inlet to said hot water supply, means for connecting said first inlet to said second inlet by a breech pipe, a one way valve interposed in said breech pipe for preventing the transfer of hot water to said first inlet while permitting transfer of cold water to said second inlet, a solenoid operated valve which stops and starts the flow of water through said first inlet into said chamber, a solenoid operated valve which stops and starts the flow of water through said second inlet into said chamber, and switch means for controlling said solenoids so that some cold water flows through the liquid flow control device each time it operates.