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Class Information
Number: 137/133
Name: Fluid handling > Siphons > Periodic or accumulation responsive discharge > With manual control
Description: Apparatus having means whereby the siphon may be discharged either by manual operation or by a condition or characteristic of the fluid in the system, the manual control being either auxiliary to the automatic or the control being convertible from one type to the other.










Patents under this class:

Patent Number Title Of Patent Date Issued
5009261 Device for providing communication between water tanks of heat accumulation tank system Apr. 23, 1991
4887667 Device for providing communication between water tanks of heat accumulation tank system Dec. 19, 1989
4646369 Flushing cisterns Mar. 3, 1987
4625752 Flushing siphon Dec. 2, 1986
4538416 Method and apparatus for valve motor actuation of a displacer-expander refrigerator Sep. 3, 1985











 
 
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