Patent ID: 11860647
Assignee: CALEFFI S.P.A.
Field: Control (Instruments)
Classification: CPC G  E | IPC E  G

Claim 0:
1. A thermostatic mixing valve, comprising:
a body including a cold water inlet duct, a cold water outlet duct, a hot water inlet duct, and a cold/hot mixed water outlet duct;
a thermostatic member and a shutter operated by the thermostatic member arranged in the body to maintain mixed water from the cold water inlet duct and the hot water inlet duct at a predetermined temperature; and
a hollow insert arranged in the cold water inlet duct and provided with spacer members on an external wall thereof to form two separate coaxial passages including an annular passage external to the insert and a passage inside the insert, wherein the external passage is in communication with the cold water outlet duct and the internal passage is in communication with the shutter, wherein the hot water inlet duct is also in communication with the shutter for controlled mixing of hot and cold water, and wherein the shutter is also in communication with the cold/hot mixed water outlet duct for the inflow of regulated mixed water to the cold/hot mixed water outlet duct.