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A control valve unit for controlling the flow of water through a solar energy system that includes a solar energy heated water storage tank and a conventionally heated water storage tank, the control valve unit incorporating improved valve means which may be installed in a single readily accessible

A control valve unit for controlling the flow of water through a solar energy system that includes a solar energy heated water storage tank and a conventionally heated water storage tank, the control valve unit incorporating improved valve means which may be installed in a single readily accessible location, which may be easily understood and operated by the users of the solar energy system, and which enables selective independent and/or combined utilization of the separate water storage tanks whereby maximum energy savings may be effected with a minimum of intellectual and physical effort on the part of the users thereof.

대표청구항 ▼

A control valve unit for controlling the flow of water through a solar energy system that includes a cold water supply, a hot water supply, a solar energy heated water storage tank having an inlet and an outlet, and a conventionally heated water storage tank having an inlet and an outlet, said contr

A control valve unit for controlling the flow of water through a solar energy system that includes a cold water supply, a hot water supply, a solar energy heated water storage tank having an inlet and an outlet, and a conventionally heated water storage tank having an inlet and an outlet, said control valve unit comprising, in combination, a housing, a first inlet pipe, first valve means controlling the flow of water through said first inlet pipe, a second inlet pipe, one end portion of said second inlet pipe being connected to said first inlet pipe at a position upstream of said first valve means, second valve means controlling the flow of water through said second inlet pipe, a first outlet pipe, third valve means controlling the flow of water through said first outlet pipe, a second outlet pipe, one end portion of said second outlet pipe being connected to said first outlet pipe at a position downstream of said third valve means, fourth valve means controlling the flow of water through said second outlet pipe, a cross pipe, one end portion of said cross pipe being connected to said first outlet pipe at a position upstream of said third valve means, the opposite end portion of said cross pipe being connected to said inlet pipe at a position downstream of said second valve means, and fifth valve means controlling the flow of water through said cross pipe, one end portion of said first inlet pipe being connectible to said cold water supply, the other end portion of said first inlet pipe being connectible to said inlet of said solar energy heated tank, the other end portion of said second inlet pipe being connectible to said inlet of said conventionally heated tank, one end portion of said first outlet pipe being connectible to said hot water supply, the other end portion of said first outlet pipe being connectible to said outlet of said solar energy heated tank, the other end portion of said second outlet pipe being connectible to said outlet of said conventionally heated tank.