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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
The Trane Company Patents
Assignee:
The Trane Company
Address:
La Crosse, WI
No. of patents:
87
Patents:


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Patent Number Title Of Patent Date Issued
RE29280 Air distribution regulator apparatus June 28, 1977
Three embodiments of an air distributor apparatus are shown which utilizes a balanced type air flow control valve of cylindrical configuration co-operatively associated with a cylindrical sleeve having circumferentially spaced openings closed by the valve. A diaphragm powered valve a
D276933 Heat exchanger December 25, 1984
4501125 Temperature conditioning system staging control and method February 26, 1985
A control for a multi-stage heating and cooling system used to temperature conditioning a comfort zone. The control includes a microprocessor responsive to a temperature sensor installed in the comfort zone. Heating and cooling setpoints and a lookup table including a plurality of ranges
4498220 Method for pre-expanding heat exchanger tube February 12, 1985
This invention is a method for pre-expanding a heat exchanger tube prior to its insertion into a tube sheet. A tubular mandrel having an elastic bladder sheath sealed at each end is inserted into the tube and positioned at the point where the tube is to be expanded. A die with an annular
4488855 Main bearing lubrication system for scroll machine December 18, 1984
A system for lubricating the main drive shaft bearings in a scroll compressor enclosed within a hermetic shell. The drive shaft and its main bearings are supported in a frame that defines first and second chambers adjacent each end of a main bearing. Each of the chambers includes an
4487028 Control for a variable capacity temperature conditioning system December 11, 1984
A control for a variable capacity reciprocating compressor water chiller system. A microprocessor connected to monitor return and supply fluid temperature sensors in the system is programmed to vary the compressor capacity in response to the deviation of the return and supply chilled
4484452 Heat pump refrigerant charge control system November 27, 1984
A microcomputer controlled charge control system for modulating charge in a heat pump refrigerant circuit. A charge receiver has its interior in thermal communication with the compressor suction line and has a single charge flow line connected via a charge control valve to the refrigeran
4483156 Bi-directional variable subcooler for heat pumps November 20, 1984
A bi-directional flow auxiliary heat exchanger is disposed in proximity to the outdoor heat exchanger of a heat pump. The auxiliary fin and tube coil is active in both the heating and cooling modes to subcool refrigerant fluid flowing from the condenser. During operation of the heat pump
4478277 Heat exchanger having uniform surface temperature and improved structural strength October 23, 1984
A plate-type heat exchanger having uniform surface temperature and improved structural strength is disclosed, which may be used as a structural support member for an object to be temperature controlled, and which provides a surface having an exceptionally uniform temperature for either
4462771 Wrap element and tip seal for use in fluid apparatus of the scroll type and method for making sa July 31, 1984
A wrap element and tip seal are disclosed for use in fluid apparatus of the scroll type which include a wrap element having a groove disposed within its tip surface of spiroidal configuration generally conforming to that of the wrap element. A tip seal is disposed within the groove and c
4450903 Plate type heat exchanger with transverse hollow slotted bar May 29, 1984
A plate type heat exchanger in which liquid is injected into a vaporous fluid stream through orifices in a hollow slotted bar. The hollow bar is disposed transversely to the longitudinal axis of the heat exchanger, between and abutting facing surfaces of two metallic sheets. Vaporous
4446915 Heat exchanger tube circuits May 8, 1984
Tube circuits for heat exchangers which provide same-end inlet and outlet connections are disclosed, in which each circuit includes conduits of two types. In a preferred embodiment, the first type conduit has two tubes and is generally U-shaped, and the second type conduit has four tubes
4446913 Auto changeover thermostat with means for handling temperature entry errors May 8, 1984
A thermostat used to control a temperature conditioning system to heat or cool a comfort zone to a heating setpoint and a cooling setpoint. The thermostat is microcomputer based and includes both a digital keypad and display for setpoint entry by an operator. Control means in the thermos
4432693 Centrifugal pump impeller February 21, 1984
An impeller for a centrifugal oil pump having improved head and flow output capabilities, which impeller can be machined into the end of a crankshaft. A plurality of radially extending tunnels are disposed horizontally in the crankshaft, with outlets in the perimeter of the crankshaft. A
4431388 Controlled suction unloading in a scroll compressor February 14, 1984
Apparatus for unloading a scroll compressor to modulate its capacity by separately controlling fluid flow into first and second inlets. The first and second inlets are disposed diametrically opposite each other in a fixed scroll plate, and are enclosed by a perimeter wrap which extends
4431380 Scroll compressor with controlled suction unloading using coupling means February 14, 1984
In a scroll compressor, means for maintaining the motion of an orbiting plate in fixed angular relationship to a stationary plate and for modulating the capacity of the compressor. The orbiting and stationary plates include intermeshed wrap elements of similar spiral shape about an a
4421453 Centrifugal oil pump December 20, 1983
A centrifugal oil pump for a compressor having improved head and flow performance in which a plurality of tunnels extend radially outward and angularly upward from the face of the impeller and convey oil to the perimeter of the drive shaft during operation. The oil is collected in a
4416597 Tip seal back-up member for use in fluid apparatus of the scroll type November 22, 1983
A tip seal back-up member is disclosed for use in fluid apparatus of the scroll type, which member comprises a strip of material extending longitudinally in generally spiroidal configuration about a reference axis and having a preformed configuration such that its radially inner and
4415318 Rolling thrust bearing for use in a scroll machine November 15, 1983
A rolling thrust bearing for use in a scroll type positive fluid displacement apparatus is disclosed. In the invention, a plurality of ball bearings spaced apart in cavities formed in a bearing cage are operative to transmit an axial force between a supporting frame and an orbiting s
4415317 Wrap element and tip seal for use in fluid apparatus of the scroll type November 15, 1983
A wrap element and tip seal are disclosed for use in fluid apparatus of the scroll type which include a wrap element having a groove disposed within its tip surface of spiroidal configuration generally conforming to that of the wrap element. A tip seal is disposed within the groove and c
4413959 Scroll machine with flex member pivoted swing link November 8, 1983
A positive fluid displacement apparatus of the scroll type, having a swing link for translating the rotational motion of a drive shaft into the relative orbital motion of two parallel end plates. The facing surfaces of the parallel plates have involute wrap elements attached in fixed ang
4411605 Involute and laminated tip seal of labyrinth type for use in a scroll machine October 25, 1983
An involute and tip seal for use in a positive fluid displacement apparatus of the scroll type. A scroll machine wrap element of general spiral configuration about an axis includes a radially inner and outer flank surface terminating in a tip. In the tip, a groove is formed which runs in
4406594 Compressor oil pump September 27, 1983
A compressor oil pump with integral contaminant collector and helical vane for improved pumping efficiency. A generally cone-shaped pick-up tube is adapted to be attached to the lower end of a hollow rotatably driven vertical shaft for rotation thereby about its longitudinal axis. The lo
4406133 Control and method for defrosting a heat pump outdoor heat exchanger September 27, 1983
A control and method for defrosting the outdoor heat exchanger of an air source heat pump. A defrost cycle is initiated when ice and frost have accumulated on the outdoor heat exchanger sufficiently such that, as a function of the indoor temperature of a comfort zone, the maximum per
4403927 Lubricant distribution system for scroll machine September 13, 1983
An oil distribution system for lubricating bearings in a scroll compressor. The system includes an oil collector cup attached to the lower surface of a swing link. Oil pumped through an internal passage in a rotating drive shaft is retained in the collector cup when the compressor stops,
4399664 Heat pump water heater circuit August 23, 1983
A heat pump refrigeration circuit for heating a space, cooling a space, heating a liquid, heating a space and heating a liquid or for cooling a space and heating a liquid in which indoor and outdoor heat exchangers, a liquid heat exchanger and liquid supply means, compressor, conduit and
4391104 Cascade heat pump for heating water and for cooling or heating a comfort zone July 5, 1983
A heat pump system and method, wherein the system may be operated in cascade fashion to heat water using heat extracted from relatively cold outdoor ambient air, or in non-cascade fashion to provide supplemental heating or cooling in a comfort zone. The system uses a first and a second
4389171 Gas compressor of the scroll type having reduced starting torque June 21, 1983
A gas compressor of the scroll type is disclosed wherein means are provided for reducing its degree of compression as it starts from a standing start in order to reduce the initial starting torque required. To this end, passage means are provided which extend through the end plate means
4383805 Gas compressor of the scroll type having delayed suction closing capacity modulation May 17, 1983
A gas compressor of the scroll type is disclosed wherein unloader means are provided for selectively varying its capacity by effectively delaying the point at which the closed moving volumes defined between the wrap elements begin compression. To this end, passage means extend through th
4382749 Reciprocating compressor with integral unloader valve May 10, 1983
A multi-cylinder reciprocating compressor is disclosed which is provided with an unloader valve for blocking the flow of suction gas to at least one of the cylinders to reduce the compressor capacity. The unloader valve is disposed at one end of a cylinder bank and comprises an unloader
4379484 Control for a variable air volume temperature conditioning system-outdoor air economizer April 12, 1983
A solid-state control for a variable air volume (VAV) temperature conditioning system adapted to control a plurality of refrigerant cooling stages, and in particular, to modulate an outdoor air economizer. The control includes both an outdoor ambient air and a discharge air temperatu
4359086 Heat exchange surface with porous coating and subsurface cavities November 16, 1982
A heat exchange surface having nucleate boiling cavities defined by subsurface cavities in combination with a thin porous coating. A preferred embodiment of the heat exchange surface includes a plurality of helical fins formed on the outer surface of a metallic tube, the tips of which ar
4354550 Heat transfer surface for efficient boiling of liquid R-11 and its equivalents October 19, 1982
A heat transfer surface for boiling liquid refrigerant 11 and its equivalents and method for producing the surface. The surface comprises a porous, open-cell coating at least 15 mils thick, of oxidized metallic particles which are flame-sprayed onto a metal substrate. This surface in
4353682 Reciprocating gas compressor having suction shut-off unloading means October 12, 1982
A reciprocating gas compressor of the multicylinder, radial type is disclosed which includes unloading means for selectively shutting off suction gas flow to one or more of the cylinders in order to vary the capacity of the compressor. The unloading means include a valve element havi
4353409 Apparatus and method for controlling a variable air volume temperature conditioning system October 12, 1982
Apparatus and method for controlling a temperature conditioning system in which a plurality of stages of temperature conditioning apparatus may be selectively energized to meet a temperature conditioning demand in a comfort zone into which the flow of temperature conditioned air is varie
4352635 Multi-speed fan assembly October 5, 1982
Apparatus for rotating a fluid impeller of a centrifugal or axial flow fan, at multiple speeds. A fan is provided with a first and a second electric motor for drivingly rotating a fluid impeller at relatively fast and slow speeds, respectively. The rotor of the first motor directly drive
4344752 Water-in-oil emulsifier and oil-burner boiler system incorporating such emulsifier August 17, 1982
An oil-water emulsifier comprises a Venturi member having an inlet for receiving oil, an oil-water emulsion outlet and an opening extending therethrough from the inlet to the outlet. The opening of the Venturi member comprises a diameter-reducing portion which connects to a throat po
4344330 Average fluid flow sensor August 17, 1982
A sensor for providing a differential pressure signal indicative of the average relative rate of flow of a fluid through a duct. Two tubular members are provided, each of which are formed in a loop oriented transverse to the fluid flow and each having a plurality of spaced-apart orif
4338790 Control and method for defrosting a heat pump outdoor heat exchanger July 13, 1982
A control and method for defrosting the outdoor heat exchanger of an air source heat pump. A defrost cycle is initiated when ice and frost have accumulated on the outdoor heat exchanger sufficiently such that, as a function of the indoor temperature of a comfort zone, the maximum per
4329701 Semiconductor package May 11, 1982
An improved semiconductor package is disclosed wherein a semiconductor wafer assembly includes first and second generally planar surfaces having respective first and second membrane members in overlying relationship thereto. Encompassing the periphery of the wafer assembly is a mass of
4324286 Control for vehicle temperature conditioning system April 13, 1982
Apparatus and method for controlling a vehicular temperature conditioning system in response to temperature conditioning demand, outdoor ambient air temperature, discharge air temperature, and vehicle engine oil pressure which is indicative of the rotational speed of a clutch and shaft
4307775 Current monitoring control for electrically powered devices December 29, 1981
Apparatus and method for controlling one or more electrically powered devices. A control for a temperature conditioning system is shown which is operative to monitor the electrical current supplied to component devices, i.e., compressors, auxiliary heating elements, indoor fan, and outdo
4299535 Fan inlet guide vane assembly November 10, 1981
An inlet guide vane assembly for controlling air flow through a fan. A plurality of shafts are mounted extending radially inward of an inlet cone, and are affixed to a hub positioned at the center of the cone and concentric thereto. Rotatably mounted on each shaft is an adjustable inlet
4299098 Refrigeration circuit for heat pump water heater and control therefor November 10, 1981
A refrigeration circuit is disclosed which is operable in each of four distinct modes for the heating or cooling of a space, the production of a heated liquid, or the simultaneous cooling of a space and production of heated liquid. The circuit includes compressor means; indoor, outdoor,
4297775 Method for joining two plate type heat exchanger core sections with an intermodular layer for im November 3, 1981
A method for joining two plate type heat exchanger core sections, previously brazed individually in intimate heat conducting relationship. The surfaces of the two heat exchanger core sections to be joined are non-planar as a result of brazing. In the method, the two core sections are
4283008 Pressurized signal control apparatus August 11, 1981
Pressurized control signal apparatus is disclosed, which being supplied with air from a source of variable pressure, is operative to produce a control signal essentially independent of variations in the supply pressure. In one aspect of the invention, the control signal is amplified
4283008 Pressurized signal control apparatus August 11, 1981
Pressurized control signal apparatus is disclosed, which being supplied with air from a source of variable pressure, is operative to produce a control signal essentially independent of variations in the supply pressure. In one aspect of the invention, the control signal is amplified
4276927 Plate type heat exchanger July 7, 1981
A plate type heat exchanger is disclosed having flow passages extending beyond the area of heat transfer on at least one end. The extending ends of the flow passages serve as sacrificial inlets for flow of one of two fluids through the heat exchanger so that any leak resulting from flow
4272462 Liquid wetted gas cooled heat exchanger June 9, 1981
An air cooled heat exchanger provided with water distribution means for wetting the surfaces of air flow passages with a thin film of water, which by evaporation enhances the cooling of a fluid. The fluid flows through the heat exchanger in passages arranged in generally parallel, spaced
4266599 Method and apparatus for controlling comfort conditions including setback May 12, 1981
Method and apparatus are disclosed for controlling and selectively setting back the comfort condition, such as temperature, within a conditioned zone utilizing a system which includes both preferred and back-up conditioning means, the former exhibiting more favorable energy consumption
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