Abstract: An energy loss detection system includes an apparatus for measuring loss of the vapor phase of a bi-phase fluid. Such apparatus is interposable in an energy transfer circuit downstream of an energy consumer device, intended to take energy from the bi-phase fluid by converting the vapor phase to liquid, and upstream of a potential energy loss device. The apparatus includes a separator for separating the vapor and liquid phases of the bi-phase fluid into separate flow paths. A probe senses the flow rate of the vapor phase through the separator and produces a signal related thereto. An output apparatus includes a read-out device responsive to the probe signal for producing a display indicative of vapor flow rate and hence of energy loss downstream of the separator.

Abstract: An inverted bucket-type steam trap has a completely sealed casing of uniform wall thickness and preferably made of stainless steel. The casing is comprised of an upper part and a lower part. The lower part and the upper part both have a cylindrical wall portion which is open at one end and closed at the other end by a spherical segment-shaped bottom wall. The upper part and the lower part are affixed to each other by welding. The upper part has sidewardly extending outlet and inlet fitting means welded thereto. A valve is provided in association with the outlet fitting means. An inverted bucket is movable vertically inside the casing in response to the presence of condensate therein to operate the valve between opened and closed positions. An inlet tube is provided inside the casing and it extends from the inlet fitting means into the lower end of the bucket.

Abstract: An electric resistance humidifier which increases atmospheric humidity by boiling water in a tank. Spaced conductive plates, or electrodes, are fixed in the tank. As the tank water level rises, the immersed area of the electrodes increases. An electric supply causes the electrodes to pass electric current through the tank water therebetween for heating and vaporizing such water. Electric current and heating cease automatically when the tank water level falls below the electrodes. A control includes comparator circuitry responsive to a reference signal and a signal related to electrode current for actuating and deactuating a water supply to the tank. In one embodiment, the control includes further comparator circuitry responsive to electrode current and a further reference signal for controlling a tank drain, to compensate for rising conductivity of the tank water as it warms toward boil and thus prevent substantial overshoot in heating current flow.

Abstract: A condensate controller comprising an inverted bucket steam trap having a blow-thru tube for continuously discharging non-condensable gas, flash steam and perhaps a limited amount of live steam, at a controlled rate. The condensate controller has a chamber located below and isolated from the compartment in which the inverted bucket is located. The chamber receives the incoming condensate and vapor from the inlet pipe so that the condensate level in the inlet pipe can be lowered and so that pressure surges in the inlet pipe can be cushioned and absorbed. The blow-thru pipe has a concavo-convex deflector for improving the separation of liquid from the vapor that flows through the blow-thru conduit.

Abstract: A light holder for releasable attachment to an overhead member, such as a rail associated with the grid system of a suspended ceiling. The light holder includes a pair of elongated support members which are fixed together adjacent corresponding one ends thereof. A pair of oppositely facing clips are provided adjacent said one ends of the support members, which clips are adapted to engage the flanges of an overhead rail. The support members are provided with a further pair of oppositely facing clips adjacent the opposite ends thereof. The opposite ends of the support members are normally positioned closely adjacent one another, but can be resiliently deflected outwardly to separate the further clips to permit positioning of an overhead rail therebetween. Release of the opposite ends of the support members, causes the further clips to be moved inwardly into clamping engagement with the flanges of the rail.