Robillard Fred W. (16706 Planchett Rd. Greenwell Springs LA 70739)
인용정보
피인용 횟수 :
17인용 특허 :
6
초록▼
A system for freeze protection of pipes is provided, comprising a cold water supply line, connected to a main water supply line at one end and to at least one cold water fixture at the other end; a hot water tank having an inlet and an outlet; a hot water tank inlet line, connected at one end to the
A system for freeze protection of pipes is provided, comprising a cold water supply line, connected to a main water supply line at one end and to at least one cold water fixture at the other end; a hot water tank having an inlet and an outlet; a hot water tank inlet line, connected at one end to the cold water supply line, and at the other end to the hot water tank inlet; a hot water supply line, connected to the hot water tank outlet at one end and to at least one hot water fixture at the other end; at least one restrictive connection, connecting between the cold water supply line and the hot water supply line; and a circulating pump, connected in-line in a circuit comprising the cold water supply line, the hot water tank inlet line, the hot water tank, the hot water supply line and the restrictive connection.
대표청구항▼
A system for freeze protection of pipes, comprising: a. a cold water supply line, connected to a main water supply line at one end and to at least one cold water fixture at the other end; b. a hot water tank having an inlet and an outlet; c. a hot water tank inlet line, connected at one end to said
A system for freeze protection of pipes, comprising: a. a cold water supply line, connected to a main water supply line at one end and to at least one cold water fixture at the other end; b. a hot water tank having an inlet and an outlet; c. a hot water tank inlet line, connected at one end to said cold water supply line, and at the other end to said hot water tank inlet; d. a hot water supply line, connected to said hot water tank outlet at one end and to at least one hot water fixture at the other end; e. at least one cold water branch line, connected to said cold water supply line at one end and to a cold water fixture at the other end; f. at least one hot water branch line, connected to said hot water supply line at one end and to a hot water fixture at the other end; g. at least one restrictive connection, connecting between one said cold water branch line or said cold water supply line and one said hot water branch line or hot water supply line; h. a mixing tank, connected in-line in said hot water tank inlet line; i. a circulating pump, connected in-line in said hot water tank inlet line between said mixing tank and said hot water tank so as to pump toward said mixing tank; j. a first check valve, connected in-line in said hot water supply line so as to prohibit flow in said hot water supply line through said first check valve toward said hot water tank; k. a by-pass line, connected at one end to said hot water supply line at a point between said check valve and said other end of said hot water supply line, and at the other end to said hot water tank inlet line between said hot water tank and said pump; l. a shunt line, connected at one end to said said hot water tank, and at the other end to said by-pass line; m. a remote valve, connected in-line in said hot water shunt line; n. a second check valve, connected in-line in said by-pass line between said shunt line and said hot water tank inlet line so as to prohibit flow through said check valve toward said shunt line; o. a first thermostat, positioned inside said mixing tank and connected to said remote valve so as to open said remote valve when the temperature of the water in said mixing tank reaches a desired low level and to close said remote valve when the temperature of the water in said mixing tank reaches a desired high level; and p. a second thermostat, connected to said circulating pump and said first thermostat so as to activate said pump and energize said first thermostat when the ambient temperature around said second thermostat reaches a desired level.
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이 특허에 인용된 특허 (6)
Lacoste Marvin (P.O. Box 292 Kiln MS 39556), Apparatus for and method of freeze protecting plumbing.
Donnelly Frank (Rockaway NJ), System for providing temporary water service between a water main and one or more locations normally connected to the ma.
Christopher, Samvinesh; Inbaraj, Joseprabu; Rathineswaran, Chandrasekar, System and method for preventing water pipe freeze using internet of things (IOT).
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