| Patent Number |
Title Of Patent |
Date Issued |
| 7451906 |
Products for use in low temperature fluxless brazing |
November 18, 2008 |
| A brazing product for low temperature fluxless brazing comprises a filler metal-forming composition which melts in the range from about 380-575.degree. C. The filler metal-forming composition comprises zinc optionally in combination with aluminum and/or silicon, and further comprises |
| 7398643 |
Combined EGR cooler and plasma reactor |
July 15, 2008 |
| A combined EGR cooler and non-thermal plasma device has first and second fluid passageways which are in heat exchange communication with one another. One or more electrodes are located in the second fluid passageway. The electrodes are connected to a voltage source. When a voltage of |
| 7320358 |
Ribbed mounting bracket for heat exchangers |
January 22, 2008 |
| A mounting bracket is shown for use with a heat exchanger core including spaced-apart tubes having peripheral flanges surrounding a manifold. The bracket has a clip and a pair of bearing portions. The clip has a groove adapted to engage the front edge of a selected flange. The bearing |
| 7318451 |
Flapper valves with spring tabs |
January 15, 2008 |
| A flapper valve assembly has a valve plate for attachment to a fluid device, such as a heat exchanger. The valve plate has a fluid port for permitting intermittent flow to or from a flow chamber in the fluid device. A resilient flapper covers the fluid port and has at least one trans |
| 7306030 |
Snap-in baffle insert for fluid devices |
December 11, 2007 |
| An insert snaps into position in a manifold of a fluid device to perform a baffling function. The insert includes a cradle having a base portion and opposed spring fingers for retaining the insert in position. The base portion can be completely closed to prevent flow through the insert, |
| 7302997 |
Vibration-resistant mounting bracket for heat exchangers |
December 4, 2007 |
| A mounting bracket is shown for a heat exchanger core having spaced-apart tubes having peripheral flanges surrounding a manifold. The mounting bracket has a first clip grooved to receive a front edge portion of a selected flange, and a pair of second clips, each grooved to receive, r |
| 7249788 |
Connector assembly for male and female members |
July 31, 2007 |
| A connector assembly having a male member, a female member and a retainer for releasably securing the male member and the female member. The retainer has inner retainer arms for simultaneously engaging the male member and an interior portion of the female member, and an outer retaine |
| 7240723 |
Tube bundle heat exchanger comprising tubes with expanded sections |
July 10, 2007 |
| A heat exchanger useful for high temperature applications such as EGR cooling and fuel reformer applications comprises a tube bundle made up of a plurality of tubes, each having at least one end expanded to an enlarged polygonal cross-section, and having central portions with a gener |
| 7222641 |
Snap-in flapper valve assembly |
May 29, 2007 |
| A flapper valve snaps into position in an inlet or outlet manifold of a heat exchanger to provide by-pass flow in cold flow or pressure spike conditions. The flapper valve includes a cradle having opposed spring fingers for retaining the valve in position. The cradle has a fluid port |
| 7213638 |
Heat exchanger with flow circuiting end caps |
May 8, 2007 |
| A heat exchanger that includes an extruded core member defining a plurality of spaced apart flow passages. The core member has first and second sides, one of said first and second sides defining a first set of flow openings communicating with the flow passages and one of said first a |
| 7182125 |
Low profile heat exchanger with notched turbulizer |
February 27, 2007 |
| A multi-pass heat exchanger including first and second plates forming a fluid chamber therebetween having an inlet opening and an outlet opening, and a turbulizer plate having rows of fluid flow augmenting convolutions in the fluid chamber, the turbulizer plate including at least one bar |
| 7051799 |
Self-enclosing heat exchanger with crimped turbulizer |
May 30, 2006 |
| Self-enclosing heat exchangers are made from stacked plates having raised peripheral flanges on one side of the plates and continuous peripheral ridges on the other side of the plates, so that when the plates are put together, fully enclosed alternating flow channels are provided between |
| 7051789 |
Two-piece mounting bracket for heat exchanger |
May 30, 2006 |
| A mounting bracket for securing a component, including a unitary first bracket member including a first plate portion having a first section for securing to the component, a second plate portion having a second section for securing to the component, and an intermediate plate portion, the |
| 7025127 |
Baffled surface cooled heat exchanger |
April 11, 2006 |
| Surface cooled heat exchanger that includes a substantially planar shim plate with spaced apart integral first and second end walls extending laterally therefrom, and a separately formed cover plate having a central wall with integral first and second side walls extending from opposite |
| 7011142 |
Finned plate heat exchanger |
March 14, 2006 |
| A heat exchanger includes an extruded base member having a planar central portion and spaced-apart cooling fins extending from one side of the planar central portion. A cross-over member is located on the other side of the planar central portion and include flow passage that communicate |
| 6991025 |
Cross-over rib pair for heat exchanger |
January 31, 2006 |
| According to one example of the invention, there is provided a multipass plate pair for conducting a fluid in a heat exchanger. The plate pair includes first and second plates, each plate having at least two longitudinal columns of externally protruding obliquely angled ribs formed t |
| 6976531 |
Heat exchanger, method of forming a sleeve which may be used in the heat exchanger, and a sleeve |
December 20, 2005 |
| A heat exchanger in which a heat exchanger core is disposed within a casing which includes a side wall formed by bending a plate into the form of a sleeve in which edges of the plate are in adjacent, confronting relationship with an inwardly projecting, transversely extending deforma |
| 6962194 |
Brazed sheets with aligned openings and heat exchanger formed therefrom |
November 8, 2005 |
| A pair of brazed sheets or plates having abutting portions through which aligned openings are formed, the opening through one sheet being larger than the opening through the other. |
| 6959853 |
Fluxless brazing method and method for manufacturing layered material systems for fluxless brazi |
November 1, 2005 |
| A brazing product for fluxless brazing comprises an aluminum or aluminum alloy substrate; a layer of an aluminum eutectic-forming layer applied to the substrate, and a braze-promoting layer comprising one or more metals from the group comprising nickel, cobalt and iron is applied on the |
| 6938686 |
Lateral plate surface cooled heat exchanger |
September 6, 2005 |
| A surface cooled heat exchanger including a stack of elongate plate pairs, each plate pair including first and second plates having elongate central portions surrounded by sealably joined edge portions with a fluid passage defined between the central portions; each plate pair having spac |
| 6913184 |
Alloy composition and method for low temperature fluxless brazing |
July 5, 2005 |
| A family of low temperature brazing alloys wherein the alloy is utilized in the form of a filler metal or shim and consists of electroplated nickel on zinc shimstock, wherein the zinc shimstock includes zinc, aluminum and silicon, with or without a small amount of lead, tantalum or bismu |
| 6889758 |
Lateral plate finned heat exchanger |
May 10, 2005 |
| A stacked plate heat exchanger including a plurality of stacked plate pairs, each plate pair including first and second plates having elongate central portions surrounded by sealably joined edge portions with an elongate fluid passage defined between the central portions. Each plate |
| 6863122 |
Heat exchanger with nested flange-formed passageway |
March 8, 2005 |
| A heat exchanger has oil core plates and coolant core plates disposed in alternating, stacked relationship. Flow passages are provided between adjacent plates, so that the oil flow passages alternate with the coolant flow passages, and the oil can flow from an oil inlet opening of each o |
| 6843311 |
Inverted lid sealing plate for heat exchanger |
January 18, 2005 |
| A stacked plate-type heat exchanger including a plurality of dish-shaped heat exchanger plates arranged one next to the other to form a nested heat exchanger plate stack. A plurality of first and second fluid flow channels are formed between the heat exchanger plates for first and second |
| 6837305 |
Heat exchanger plates and manufacturing method |
January 4, 2005 |
| A method for forming heat exchanger plates comprises formation of a fluid flow channel along the edges of a sheet metal strip or blank, and formation of a pair of raised end bosses. The raised end bosses are elongated in the longitudinal dimension and are formed within the final widt |
| 6815086 |
Methods for fluxless brazing |
November 9, 2004 |
| A method of manufacturing an article of manufacture for use in a fluxless brazing process is disclosed. The method comprises the step of applying a braze-promoting layer including one or more metals selected from the group consisting of nickel, cobalt and iron, onto a bonding layer which |
| 6796374 |
Heat exchanger inlet tube with flow distributing turbulizer |
September 28, 2004 |
| A turbulizer, such as a helical fin about a core pipe, is located in a heat exchanger manifold to distribute liquid phase fluid through a plurality of tube members connected to the manifold. |
| 6752710 |
Closed capture emission system |
June 22, 2004 |
| An apparatus and method for capturing the emissions from a controlled atmosphere treatment apparatus of the type having at least one, and usually several, controlled atmosphere zones therein and exhaust stacks that deliver environmentally unfriendly emissions therefrom. Nozzles are a |
| 6742572 |
Mounting bracket for heat exchanger cores |
June 1, 2004 |
| A heat exchanger and mounting bracket therefor where the heat exchanger is formed of stacked plate pairs or tubes having longitudinal peripheral edge portions joined together. The mounting bracket has spaced-apart, C-shaped clips attached to the peripheral edge portions of different plat |
| 6698509 |
Heat exchangers with flow distributing orifice partitions |
March 2, 2004 |
| A heat exchanger which is particularly useful as an evaporator has a first plurality of stacked plate pairs with cooling fins therebetween. A second plurality of stacked plate pairs is located adjacent to the first. Each plurality of plate pairs has enlarged plate end portions which toge |
