Oakville, Canada

Dana Canada Corporation

www.dana.com
Oakville, Canada

The Dana Holding Corporation is an American-based worldwide supplier of powertrain components such as axles, driveshafts, off-highway transmissions, sealing and thermal-management products, and service parts.The company's customer base includes virtually every major vehicle manufacturer in the global automotive, commercial vehicle, and off-highway markets. Based in Maumee, Ohio, the company employs approximately 23,400 people in 26 countries and reported 2010 sales of US$6.1 billion. The company is included in the Fortune 500. Wikipedia.

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Patent
Dana Canada Corporation | Date: 2017-02-01

An improved heat exchanger having a pair of headers and at least one tube extending between and fluidly connecting the headers. A tubular structure for and defining in part each of the headers. The tubular structure being defined by a pair of body elements and having opposed longitudinal joints defined by overlapping portions of the body elements. One of the body elements overlaps the other of the body elements to define one of the joints and is overlapped by the other of the body elements to define the other of the joints.


Patent
Dana Canada Corporation | Date: 2016-11-22

A heat exchanger is comprised of two heat exchanger sections, at least one of which is provided with a floating header to accommodate differential thermal expansion. The two heat exchanger sections are enclosed by an inner shell wall, and an external connecting passage is provided outside the inner shell wall, through which one of the fluids flows between the two heat exchanger sections. The external connecting passage is enclosed by an outer shell. The inner wall is provided with openings which communicate with the external connecting passage. The openings may be in the form of a substantially continuous gap or discrete openings. Specific examples of heat exchangers with this construction include a steam generator, a steam generator and combined catalytic converter, and a water gas shift reactor.


Patent
Dana Canada Corporation | Date: 2015-01-30

A heat exchanger for cooling batteries in hybrid or electric vehicles comprises a plurality of spaced apart, discrete heat exchanger panels, each having a coolant inlet manifold section, a coolant outlet manifold section, and a plurality of coolant flow passages extending between the inlet and outlet manifold sections. The inlet and outlet manifold sections of the discrete panels are connected by tubes to define continuous coolant inlet and outlet manifolds, each having a coolant opening. The flow of coolant through discrete panels may be balanced by providing the fluid flow passages of the panels with various cross-sectional areas and/or hydraulic diameters, depending partly on the proximity of each panel to the coolant opening. In an embodiment, where the panels are formed from pairs of stamped plates, variation of the cross-sectional area and/or hydraulic diameter of the coolant flow passages may be achieved by deliberately offsetting the plates during assembly.


Patent
Dana Canada Corporation | Date: 2016-09-30

A refrigeration system includes a core comprising a stack of core plates. The core defines a condenser, an evaporator and a refrigerant reservoir. The condenser has a plurality of refrigerant flow passages and a plurality of first coolant flow passages in alternating arrangement. The evaporator has a plurality of refrigerant flow passages and a plurality of second coolant flow passages in alternating arrangement. The condenser has a refrigerant outlet in flow communication with the refrigerant inlet of the refrigerant reservoir, where the refrigerant side of at least one of said core plates includes a refrigerant communication passage providing flow communication between the refrigerant outlet of the condenser section and the refrigerant inlet of the reservoir section.


Patent
Dana Canada Corporation | Date: 2016-10-28

A heat exchanger made up of a plate pair defining a flow passage. The flow passage fluidly coupled to a fluid inlet at a first end and a fluid outlet at a second end for flow of fluid from the fluid inlet to the fluid outlet. The heat exchanger further contains a structural support element sandwiched between the plate pair. The structural support element has a first structural support element aperture and one or more channels extending from the first structural support element aperture to a peripheral edge of the structural support element, and wherein the structural support element is positioned circumferentially around the fluid inlet with the first structural support element aperture aligned with the fluid inlet, with the channels permitting flow of the fluid from the fluid inlet to the flow passage.


Patent
Dana Canada Corporation | Date: 2016-10-06

A heat exchanger apparatus containing a heat exchanger and a thermally actuated bypass valve is described. The heat exchanger has a plurality of plates defining a first, a second and a bypass channels. A first fluid inlet manifold is in fluid communication with the first and the bypass channels. The bypass valve is positioned in the first fluid inlet manifold, and contains a sleeve having a first slot and a second slot, that permit fluid flow from a first fluid inlet to the bypass channel and to the first fluid inlet manifold, respectively. A drum is positioned within the sleeve and is movable from a first position to a second position. The drum has an aperture permitting first fluid flow to the first slot in the first position and to the second slot in the second position. An actuator engages the drum and actuates it to move from the first position to the second position.


A heat exchanger panel has a heat transfer surface with first and second heat transfer zones of different cooling capacities. Each zone has a subgroup of fluid flow passages having a flow capacity, each extending between a fluid inlet passage and a fluid outlet passage. Where one of the zones is adapted for cooling the tabs of a battery cell, the heat exchanger panel comprises at least one first header located at an end of the panel, including a fluid inlet header and/or a fluid outlet header, a second header at the opposite end of the panel, and a plurality of flow passages extending between the headers. At least one header has a height which is greater than the height of the flow passages, and is substantially the same as a spacing between tabs of adjacent batteries when separated by one of said heat exchanger panels.


Patent
Dana Canada Corporation | Date: 2016-05-27

A by-pass valve capable of activating a two different temperatures is disclosed. The valve has a first bore in fluid communication with a fluid inlet and a second bore having a first end in fluid communication with a first outlet and a second end in fluid communication with a second outlet. First and second branch ports interconnect the first bore and the first end of the second bore and the first bore and the second end of the second bore, respectively. A first valve mechanism is arranged in the first bore for controlling fluid flow to said first branch port and is operable at a first activation temperature. A second valve mechanism is arranged in the second bore for controlling flow to the second outlet and is operable a second activation temperature that is different than said first activation temperature, the first and second valve mechanism operating in series to provide three different operational states.


A heat exchanger has a thermally conductive first plate with a flat first surface for thermal contact with a heat transfer fluid, and a flat second surface for thermal contact with an object to be heated or cooled, such as an electronic component. The first surface is provided with a first surface pattern having a plurality of first grooves, and the second surface is provided with a second surface pattern with a plurality of second grooves. The surface patterns may be configured and applied such that the amount of elongation along the first surface produced by application of the first surface pattern substantially corresponds to or offsets the amount of elongation along the second surface produced by application of the second surface pattern, such that the degree of flatness of the first plate prior to formation of the first and second surface patterns will be preserved, maintained or improved.


Patent
Dana Canada Corporation | Date: 2016-04-21

A heat exchanger for thermal management of battery units made-up of a plurality of battery cells or containers housing one or more battery cells is disclosed. The heat exchanger has a main body portion formed by a pair of outer plates and an intermediate plate defining a primary heat transfer surface on either side of the heat exchanger for contacting a corresponding surface of at least one of the battery cells or containers. The intermediate plate together with the outer plates forming a plurality of alternating first and second fluid flow passages the flow direction through the first fluid flow passages being generally opposite to the flow direction through the second fluid flow passages. The first and second fluid flow passages are formed on opposite sides of the intermediate plate and are fluidly interconnected at corresponding ends creating a counter-flow arrangement through the main body portion of the heat exchanger.

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