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| Number | Title | Issue Date |
| 6536516 | Finned plate heat exchanger 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 inclu... | 03/25/2003 |
| 6530424 | Clip on manifold heat exchanger A plate and fin type heat exchanger is disclosed which can be made in any convenient size with minimum tooling required. The heat exchanger is made from a plurality of stacked plate pairs having raised peripheral edge portions to define flow channels insi... | 03/11/2003 |
| 6340053 | Self-enclosing heat exchanger with crimped turbulizer 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 f... | 01/22/2002 |
| 6332495 | Clip on manifold heat exchanger A plate and fin type heat exchanger is disclosed which can be made in any convenient size with minimum tooling required. The heat exchanger is made from a plurality of stacked plate pairs having raised peripheral edge portions to define flow channels insi... | 12/25/2001 |
| 6311768 | Clip on manifold heat exchanger A plate and fin type heat exchanger is disclosed which can be made in any convenient size with minimum tooling required. The heat exchanger is made from a plurality of stacked plate pairs having raised peripheral edge portions to define flow channels insi... | 11/06/2001 |
| 6273183 | Heat exchanger turbulizers with interrupted convolutions A heat exchanger is disclosed of the type having stacked plate pairs or tubes defining flow passages, with turbulizer located inside such flow passages. The turbulizers are of the expanded metal type having rows of convolutions. The convolutions are inter... | 08/14/2001 |
| 6253837 | By-pass values for heat exchanger A by-pass valve and a heat exchanger employing same is disclosed where the by-pass valve makes a short circuit from the heat exchanger inlet to the heat exchanger outlet to disable the heat exchanger under certain temperature conditions. The by-pass valve... | 07/03/2001 |
| 6244334 | Self-enclosing heat exchange with shim plate 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 f... | 06/12/2001 |
| 6220340 | Heat exchanger with dimpled bypass channel A heat exchanger is disclosed having a plurality of stacked plate pairs or tubes, each having a predetermined internal cold flow resistance. A bypass conduit is included in the stack of plate pairs or tubes. The bypass conduit includes a central row of sp... | 04/24/2001 |
| 6199626 | Self-enclosing heat exchangers 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 f... | 03/13/2001 |
| 5964282 | Stepped dimpled mounting brackets for heat exchangers A mounting or end bracket is disclosed for producing plate and fin heat exchangers of the type having a plurality of stacked, hollow plate pairs or tubes including mating end bosses having communicating openings formed therein to form a manifold for the f... | 10/12/1999 |
| 5875834 | Baffle insert for heat exchangers Baffle inserts or shims are disclosed for controlling the flow circuiting in plate or tube type heat exchangers of the kind having a plurality of stacked, hollow plate pairs or tubes including mating end bosses or areas or spacers having communicating ope... | 03/02/1999 |
| 5794691 | Plate heat exchanger with reinforced input/output manifolds A plate type heat exchanger as disclosed having a plurality of stacked plate pairs. Each plate pair has opposed inlet and outlet openings that are in registration to form respective inlet and outlet flow manifolds for the flow of fluid through the plate p... | 08/18/1998 |
| 5692559 | Plate heat exchanger with improved undulating passageway A heat exchanger is disclosed having a plurality of stacked plate pairs with a core thickness of less than 25 mm. Each plate of a plate pair has asymmetrically arranged parallel ribs disposed at an oblique angle of less than 32 degrees to provide two poin... | 12/02/1997 |
| 5538077 | In tank oil cooler A heat exchanger and method of making same is disclosed. The heat exchanger is particularly useful for cooling automotive engine oil or transmission fluid, the exchanger being located inside the radiator or other part of the engine cooling system. The hea... | 07/23/1996 |
| 5369883 | Method for making an in tank oil cooler A heat exchanger and method of making same is disclosed. The heat exchanger is particularly useful for cooling automotive engine oil or transmission fluid, the exchanger being located inside the radiator or other part of the engine cooling system. The hea... | 12/06/1994 |
| 5343936 | Spiral ripple circumferential flow heat exchanger The invention relates to an improved energy exchange structure, comprising generally parallel plates,connected to define a hollow passageway for the generally circumferential flow of fluid between an inlet and an outlet, said plates undulating in cross-se... | 09/06/1994 |
| 5203832 | Circumferential flow heat exchanger The invention relates to an improved energy exchange structure, comprising generally parallel plates, joined to define a hollow passageway for the generally circular flow of fluid between an inlet and an outlet, said plates undulating in cross-structure t... | 04/20/1993 |
| 5181536 | Coolant corrosiveness indicator A fluid sensor for heat exchanger system includes a supporting device such as a tubular hose fitting for mounting the sensor in the system so that heat exchanging fluid circulated in the system comes into contact with the sensor. A window or sight glass i... | 01/26/1993 |
| 5179999 | Circumferential flow heat exchanger An improvement in circumferential flow heat exchangers of the type having a stack of heat exchange units each formed from first and second thin plates having grooves and ribs, wherein the grooves and ribs on facing surfaces of the first and second plates ... | 01/19/1993 |
| 5127433 | Coolant corrosiveness indicator A fluid sensor for heat exchanger system includes a supporting device such as a tubular hose fitting for mounting the sensor in the system so that heat exchanging fluid circulated in the system comes into contact with the sensor. A window or sight glass i... | 07/07/1992 |
| 5107922 | Optimized offset strip fin for use in contact heat exchangers An offset strip fin for use in compact automotive heat exchangers is disclosed. The offset strip fin has multiple transverse rows of corrugations extending in the axial direction wherein the corrugations in adjacent rows overlap in order that the oil boun... | 04/28/1992 |
| 5036911 | Embossed plate oil cooler A plate and fin type heat exchanger is disclosed for cooling automotive engine oil, transmission fluid and power steering fluid. The heat exchanger is formed of a plurality of stacked plate pairs with louvered fins located therebetween. The plate pairs ar... | 08/06/1991 |
| 5024268 | Corrosion inhibiting coolant inhibitor container A filter device for an engine coolant includes a housing with an inlet for inflow of coolant and an outlet air outflow; a flow path extends between the inlet and outlet, a filter in the flow path filters the coolant; a dosage of corrosion inhibitor is dis... | 06/18/1991 |
| 4782891 | Corrosion inhibiting coolant filter A filter device for an engine coolant includes a housing with an inlet for inflow of coolant and an outlet for outflow; a flow path extends between the inlet and outlet, a filter in the flow path filters the coolant; a dosage of corrosion inhibitor is dis... | 11/08/1988 |
