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Danfoss A/S Patents
Assignee:
Danfoss A/S
Address:
Nordborg, DK
No. of patents:
579
Patents:


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Patent Number Title Of Patent Date Issued
RE32651 Pressure valve for a compressor April 26, 1988
A pressure valve for a compressor of the hermetically encapsulated type. The valve includes a valve plate with a valve seat and upstanding pins on which at least one catch plate is placed to limit the stroke of a closing member formed by a valve leaf spring. The valve seat is disposed in
RE31841 Atomizer burner for oil firing plant March 5, 1985
The invention relates to an atomizer burner assembly for oil burners. The assembly has electric heating apparatus for maintaining a relatively constant temperature for the oil supply over a range of throughputs which may vary for different atomizer nozzles, for example, from 0.5 to 2.5 l
RE29302 Bag diaphragms and bag diaphragm operated air dampers July 12, 1977
The present invention deals with a bag diaphragm comprising one or more flattened extremely flexible bags assembled together, to be mounted between rigid plates at a variable mean distance and to be inflated in operation by a variable pressure difference, and with an air damper opera
D603277 Thermostat with display November 3, 2009
D558796 Twin compressor January 1, 2008
D556218 Control box for a compressor November 27, 2007
D554154 Control box for a compressor October 30, 2007
D554153 Control box for a compressor October 30, 2007
D542403 Housing for ignition unit for gas and oil burners May 8, 2007
D431481 Ball-shaped housing for measuring sensors October 3, 2000
D424516 Hydraulic motor May 9, 2000
D403301 Box for a frequency converter December 29, 1998
D384984 Joystick October 14, 1997
D382865 Joystick August 26, 1997
D375301 Joystick November 5, 1996
D360930 Thermostatic expansion valve for refrigerating plants August 1, 1995
D359114 Thermostatic expansion valve for refrigerating plants June 6, 1995
D359111 Thermostatic expansion valve for refrigerating plants June 6, 1995
D359110 Thermostatic expansion valve for refrigerating plants June 6, 1995
D359109 Thermostatic expansion valve for refrigerating plants June 6, 1995
D359108 Thermostatic expansion valve for refrigerating plants June 6, 1995
D359107 Thermostatic expansion valve for refrigerating plants June 6, 1995
D359106 Thermostatic expansion valve for refrigerating plants June 6, 1995
D359105 Thermostatic expansion valve for refrigerating plants June 6, 1995
D359104 Thermostatic expansion valve for refrigerating plants June 6, 1995
D292914 Casing for a speed control device or the like November 24, 1987
D287718 Casing for an electronic AC speed control unit January 13, 1987
D287360 Casing for electrical equipment December 23, 1986
D284076 Casing for electrical apparatus, or the like June 3, 1986
D281969 Casing for electrical apparatus or the like December 31, 1985
D281315 Casing for electrical equipment November 12, 1985
7574885 Method for the manufacturing of a fluid conduit, particularly a fluid conduit in a CO.sub.2 refr August 18, 2009
The invention relates to a method for producing a fluid conduit, in particular a fluid conduit for a CO.sub.2 refrigerating plant. The aim of said invention is to develop a quick and inexpensive method. For this purpose, several pipes (5-9) are simultaneously supplied by means of at
7573064 Dielectric actuator or sensor structure and method of making it August 11, 2009
The present invention relates to dielectric actuators or sensors of the kind wherein electrostatic attraction between two electrodes located on an elastomeric body leads to a compression of the body in a first direction and a corresponding extension of the body in a second direction.
7548015 Multilayer composite and a method of making such June 16, 2009
A multilayer composite includes at least two composites, each composite having a film and an electronically conductive layer. Several composites are laminated to provide an increased conversion between mechanical and electrical energies not only due to the multiplication of the effect of
7544091 Insulated box having readily accessible conductor tap capabilities June 9, 2009
An insulated box, suitable as a refrigerator, having readily accessible conductor current tap capabilities for electrical/electronic components within the box. The box has a wall made with electrically separated layers and having an electrical conductor incorporated between the layer
7518284 Dielectric composite and a method of manufacturing a dielectric composite April 14, 2009
A composite for a transducer facilitates an increased actuation force as compared to similar prior art composites for transducers. In accordance with the present invention, the composite also facilitates increased compliance of the transducer in one direction and an improved reaction
7481120 Tactile sensor element and sensor array January 27, 2009
A tactile sensor element includes a first pressure transfer layer and a second pressure transfer layer, an elastomeric body arranged between the first and second pressure transfer layers, the body having a first and a second surface opposed to each other, the first and second surfaces
7479301 Method for modifying a metallic surface January 20, 2009
The invention relates to a method for modifying a metallic surface, which method comprises chemical vapour deposition on a substrate in a chamber adapted for CVD and involves at least the step of interrupting the chemical vapour deposition by cutting off the flow of reactant gas, and
7431052 Flow restrictor and system for delivering a flow of liquid in a microcapillary October 7, 2008
The present invention relates to apparatus for delivering a controlled or restricted flow of liquid and limiting bubble fragmentation at the inlet. This is achieved in flow restrictor with a flow channel having over most of its length a substantially constant, minimum hydraulic diameter
7419587 Water purification device September 2, 2008
A water purification device includes a fluid pump, a diaphragm unit having a diaphragm, which separates a primary side from a secondary side, and a consumer having a pressure requirement. The fluid pump is connected with the primary side and the consumer is connected with the secondary s
7400080 Elastomer actuator and a method of making an actuator July 15, 2008
A tubular elastomer actuator with a shape in a cross-sectional view which shape exposes at most one single axis of symmetry of a specific length, e.g. an oval shape. The actuator could be made from a sheet made from a plurality of plate shaped elements which are laminated together and
7328593 Refrigerant valve arrangement February 12, 2008
A refrigerant valve arrangement is described, having a housing which has a first functional space, in which there is arranged at least one functional element, which co-operates with a first annular contact surface formed in an internal boundary wall. It is desirable to be able to mat
7311007 Pressure sensor December 25, 2007
The invention provides a pressure sensor with a housing for a pressure sensing arrangement, e.g. a semi-conductor arrangement. The housing consists of a bottom part and an intermediate member with a through hole forming a sidewall of a cavity for the pressure sensing arrangement. A m
7273187 Nozzle for air-assisted atomization of a liquid fuel September 25, 2007
A nozzle (100) for air-assisted atomizing of a liquid fuel comprises a fuel feed passage (110) and an air feed passage (114) and a swirling chamber (118) from which fuel and air may be passed to an exit orifice (126) for emerging a cone shaped spray. An air bypass passage (122) is pr
7263925 Hydraulic axial piston machine September 4, 2007
The invention concerns a hydraulic axial piston machine (1) with a cylinder body (3), at least one piston (9) to be axially displaceable in the cylinder body (3), said piston (9) resting on a swash plate (13) by way of a slide shoe (11), with a pressure plate (14) loading the slide s
7248906 Method and device for monitoring analyte concentration by optical detection July 24, 2007
A method and device are provided for the determination of the concentration of compounds in body tissue. The method utilises optical methods based on the interaction of light with compounds, whereby the concentration of the compound under analysis is determined. The method is especia
7246525 Silicon pressure sensor with decreased pressure equalization between measured pressure and refer July 24, 2007
This invention relates to absolute pressure sensors with two bonded wafers containing a pressure sensing structure and forming a reference pressure chamber and a buffer chamber. Since the buffer chamber collects molecules, which permeate through a bonding interface between the two wa
7240694 Flow control valve for refrigeration system July 10, 2007
A flow control valve includes a valve body defining fluid inlet and outlet sections interconnected by a connecting port. A valve unit is disposed in the valve body and is operably connected to an actuator to be moved thereby for opening and closing the connecting port. The valve unit
7207184 Method for regulating a most loaded circuit in a multi-circuit refrigeration system April 24, 2007
A method for regulating a most loaded circuit of a refrigeration system is provided. Each circuit includes at least one case and an EEPR valve. At least one controller communicates with the EEPR valves for receiving signals from the circuits corresponding to operating conditions for each
7201058 Pressure transmitter and a method of making a pressure transmitter from a sensor unit and a body April 10, 2007
A pressure transmitter includes a body part and a sensor unit which are joined hermetically. Adjacent to the hermetic joint, there is a gap between adjacent surfaces of the body and sensor unit, which gap facilitates an easier assembling procedure and which facilitates transportation
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