Koehring Company

Robert F Shaftner

Eugene C Briggs

Harry J Giambrone

Michael A Kagan

William C Wellbaum

Shekhar Chakrawarti

Front panel for a wick heater

Wick heater

A wick heater comprises a housing the top and front panel of which are so constructed and interrelated with each other and the remainder of the housing to provide for their relative expansion and contraction in a manner to avoid warping, buckling or distortion or any undue stress on the housing or its component parts during operation of the heater. The top of the housing comprises a frame and inserts, a principal insert being interconnected with and for expansion and contraction relative to the frame and to position directly above the chimney of the heater and the area encompassed by its backing heat reflecting surface. This principal insert has a unique pattern of slots the bounding edges of which are flanged and a portion of which are oriented in directions at right angles to other of said slots to lend both strength and stress accommodation to the top of the housing. The front panel structure has a slip fit relation to the housing and is connected to the remainder of the housing only in an area adjacent its base. It also has a distinctive profile and mounts a guard the nature, character and interrelation thereof is such to add an important element of safety in use of the heater. The heater has numerous improvements providing a total construction which lends itself to a distinct moderation of the surface temperature of the heater housing.

Wick heaters

Portable heater

A portable heater comprising a housing composed of separate parts including a lower part having a bottom and side wall portions defining a trough, components of said heater including a combustion chamber assembly and a support, said support positioning in a sense transverse to said lower part, said combustion chamber assembly and said support having in connection therewith means for seating to and interfitting with means in connection with said side wall portions of said lower part in a drop fit thereof to said lower part, said support mounting thereon a motor and a fan blade assembly for powering said heater and developing therein a pressured flow of air to and about said combustion chamber assembly and means for delivering fuel and igniting the fuel in delivery thereof to the combustion chamber of said assembly, said interfitting means being constructed and arranged to position said combustion chamber assembly and said support and said fan blade assembly in a substantially direct alignment on and within said lower part of said housing and to inhibit relative longitudinal and lateral motion therebetween.

Portable space heater

Window heater

A thermostat controlled window furnace for heating a room features a construction wherein the air required for its operation is comprised on the one hand of outside air used solely for combustion purposes, to service a heat transfer component, and on the other hand of air drawn from the room, to be heated in passage through the heat transfer unit and returned to the room to elevate its temperature. The arrangement provided for inflow of room air insures that it will exhibit the general temperature of the room. The furnace not only provides for an effective separation therein of outside air and room air which is utilized thereby but for a return to the room of heated air in a manner to inhibit a chance or premature intermingling thereof with that portion of the room air being drawn into the furnace the function of which, in part, is to signal the general temperature of the room to a furnace thermostat.

Window heaters

The space heater of the invention features an improved motor-transformer package which may be easily applied to and removed from the heater, as an integrated unit. The design and mount of this package makes it extremely easy to service and insures that in the placement and operation thereof the total package will be surrounded with an insulating flow of air, the cooling effect of which guarantees a longer and more useful operating life for the included components and related apparatus. In the preferred embodiment illustrated, the motor and transformer elements of the package are connected, in a superposed relation, to opposite sides of a mounting plate the design of which essentially dictates the required placement of the package in a heater housing. The invention also features an improved transformer characterized by a plurality of windings which are series related in a manner to make the transformer significantly less susceptible to overheating or short circuiting than would be the case in the use of comparable conventional transformers.

A compact, relatively midget sized, portable heater a stable base for which is provided by its fuel tank per se. The tank features a plug fit filter tube formed to facilitate the connection of a fuel supply line. Preferred embodiments of the heater are characterized by plate formed air deflector fins which are arranged to most effectively control the delivery of air to and about the discharge from a simply mounted and constructed fuel nozzle at the entrance to a combustion chamber. The illustrated embodiment shows the fins as included in a bracket-type support for the fuel discharge nozzle and on a deflector plate which defines the entrance to the combustion chamber to which it mounts. The relationship of parts enable the use of a minimal amount of energy for a given application.

Growing community of inventors

Bowling Green, KY, United States of America

Robert F Shaftner