Heat-exchanger

Claim 2

A heat exchanger for mobile gas turbine units and the like comprising: line means for the flow of a first medium, flow space means forming a flow space for the flow of a second medium in communication with exterior surfaces of said line means, collecting tank means for the first medium, said collecting tank means having end faces at opposite ends thereof, said collecting tank means being subdivided into an inlet collecting space means and an outlet collecting space means operatively connected with one another by said line means, and housing means surrounding both said collecting tank means and said flow space, portions of said housing means forming part of said flow space means, said housing means being secured to the collecting tank means and line means substantially exclusively by way of connections between the housing means and the respective end faces of said collecting tank means whereby thermal stresses experienced by said line means and said collecting tank means are transferred to said housing means by way of said connections, said housing means being spaced from the casing of said collecting tank such that a gap is formed between said casing and inner wall surfaces of said housing means, wherein elastic sealing bar means are provided for closing said gap with respect to the flow space for the second medium, and wherein said elastic sealing bar means have a Ushaped profile cross-section with one leg of the U secured at the inner wall surface of the housing and the other leg abutting the casing.

Claim 3

A heat exchanger according to claim 1, characterized in that an elastic intermediate connecting means is arranged between one end face of the collecting tank means and the housing means for accommodating relative thermal expansion of said collecting tank means and said housing means.

Claim 4

A heat exchanger according to claim 2, characterized in that the housing means is closed off by a divided cover disposed essentially in the plane of the end face of the collecting tank means opposite the end face with the elastic intermediate connecting means.

Claim 5

A heat exchanger according to claim 3, characterized in that the line means extend through apertured plate means supported in rail means within the housing means.

Claim 6

A heat exchanger according to claim 1, characterized in that the line means extend through apertured plate means supported in rail means within the housing means.

Claim 7

A heat exchanger according to claim 5, characterized in that said line means include at least one curved portion for turning the flow of the first medium from a direction away from the inlet collecting space means to a direction toward the outlet collecting space means, said apertured plate means and said housing means forming a deflection chamber, said deflection chamber being substantially closed with respect to the flow space for the second medium.

Claim 8

A heat exchanger according to claim 6, characterized in that a slight clearance is provided between said line means and said apertured plate means to permit thermal expansion movements of said line means with respect to said apertured plate means.

Claim 9

A heat exchanger according to claim 1, wherein said line means includE a curved portion for turning the flow of the first medium, characterized in that elastic sealing bar means are provided between said curved portion of said line means and the housing means.

Claim 10

A heat exchanger for mobile gas turbine units and the like comprising: line means for the flow of a first medium, flow space means forming a flow space for the flow of a second medium in communication with exterior surfaces of said line means, collecting tank means for the first medium, said collecting tank means having end faces at opposite ends thereof, said collecting tank means being subdivided into an inlet collecting space means and an outlet collecting space means operatively connected with one another by said line means, and housing means surrounding both said collecting tank means and said flow space, portions of said housing means forming part of said flow space means, said housing means being secured to the collecting tank means and line means substantially exclusively by way of connections between the housing means and the respective end faces of said collecting tank means whereby thermal stresses experienced by said line means and said collecting tank means are transferred to said housing means by way of said connections, said line means extending through apertured plate means supported in rail means within the housing means, said line means including at least one curved portion for turning the flow of the first medium from a direction away from the inlet collecting space means to a direction toward the outlet collecting space means, said apertured plate means and said housing means forming a deflection chamber, said deflection chamber being substantially closed with respect to the flow space for the second medium.

Claim 11

A heat exchanger for mobile gas turbine units and the like comprising: line means for the flow of a first medium, flow space means forming a flow space for the flow of a second medium in communication with exterior surfaces of said line means, collecting tank means for the first medium, said collecting tank means having end faces at opposite ends thereof, said collecting tank means being subdivided into an inlet collecting space means and an outlet collecting space means operatively connected with one another by said line means, and housing means surrounding both said collecting tank means and said flow space, portions of said housing means forming part of said flow space means, said housing means being secured to the collecting tank means and line means substantially exclusively by way of connections between the housing means and the respective end faces of said collecting tank means whereby thermal stresses experienced by said line means and said collecting tank means are transferred to said housing means by way of said connections, said line means extending through apertured plate means supported in rail means within the housing means, said line means including at least one curved portion for turning the flow of the first medium from a direction away from the inlet collecting space means to a direction toward the outlet collecting space means, said apertured plate means and said housing means forming a deflection chamber, said deflection chamber being substantially closed with respect to the flow space for the second medium.

Claim 12

A heat exchanger according to claim 9, characterized in that a slight clearance is provided between said line means and said apertured plate means to permit thermal expansion movements of said line means with respect to said apertured plate means.

Claim 13

A heat exchanger according to claim 9, characterized in that elastic sealing bar means are provided between said curved portion of said line means and the housing means.

Claim 14

A heat exchanger according to claim 9, characterized in that an elastic intermediate connecting means is arranged between one end face of the collecting tank means and the housing means for accommodating relative thermal expansion of said collecting tank means and said housing means.

Claim 15

A heat exchanger according to claim 12, characterized in that the housing means is closed off by a divided cover disposed essentially in the plane of the end face of the collecting tank means opposite the end face with the elastic intermediate connecting means.

Claim 16

A heat exchanger for mobile gas turbine units and the like comprising: line means for the flow of a first medium, flow space means forming a flow space for the flow of a second medium in communication with exterior surfaces of said line means, collecting tank means for the first medium, said collecting tank means having end faces at opposite ends thereof, said collecting tank means being subdivided into an inlet collecting space means and an outlet collecting space means operatively connected with one another by said line means, said line means being supported substantially exclusively by the connection of the respective ends of said line means at said collecting tank means, and housing means surrounding both said collecting tank means and said flow space, portions of said housing means forming part of said flow space means, said housing means being secured to the collecting tank means and line means substantially exclusively by way of connections between the housing means and the respective end faces of said collecting tank means whereby thermal stresses experienced by said line means and said collecting tank means are transferred to said housing means by way of said connections, wherein said housing means is spaced from the casing of said collecting tank means such thAt a gap is formed between said casing and inner wall surfaces of said housing means, wherein elastic sealing bar means are provided for closing said gap with respect to the flow space for the second medium, and wherein said line means extend through apertured plate means supported in rail means within the housing means.

Claim 17

A heat exchanger for mobile gas turbine units and the like comprising: line means for the flow of a first medium, flow space means forming a flow space for the flow of a second medium in communication with exterior surfaces of said line means, collecting tank means for the first medium, said collecting tank means having end faces at opposite ends thereof, said collecting tank means being subdivided into an inlet collecting space means and an outlet collecting space means operatively connected with one another by said line means, said line means being supported substantially exclusively by the connection of the respective ends of said line means at said collecting tank means, and housing means surrounding both said collecting tank means and said flow space, portions of said housing means forming part of said flow space means, said housing means being secured to the collecting tank means and line means substantially exclusively by way of connections between the housing means and the respective end faces of said collecting tank means whereby thermal stresses experienced by said line means and said collecting tank means are transferred to said housing means by way of said connections, wherein said housing means is spaced from the casing of said collecting tank means such thAt a gap is formed between said casing and inner wall surfaces of said housing means, wherein elastic sealing bar means are provided for closing said gap with respect to the flow space for the second medium, and wherein said line means extend through apertured plate means supported in rail means within the housing means.

Claim 18

A heat exchanger according to claim 14, characterized in that the housing means is closed off by a divided cover disposed essentially in the plane of the end face of the collecting tank means opposite the end face with the elastic intermediate connecting means.

Claim 19

A heat exchanger according to claim 14, characterized in that a slight clearance is provided between said line means and said apertured plate means to permit thermal expansion movements of said line means with respect to said apertured plate means.

Claim 20

A heat exchanger according to claim 14, characterized in that said first medium is air to be heated and in that said second medium is hot exhaust gases from a turbine engine or the like.

Claim 21

A heat exchanger according to claim 14, characterized in that an elastic intermediate connecting means is arranged between one end face of the collecting tank means and the housing means for accommodating relative thermal expansion of said collecting tank means and said housing means.

Claim 22

A heat exchanger according to claim 14, wherein one side of said elastic sealing bar means is fixedly attached at one of said casing and said inner wall surfaces of said housing and wherein the other side of said elastic sealing bar means is in unattached abutting engagement with the other of said casing and said inner wall surfaces of said housing.

Claim 23

A heat exchanger according to claim 14, wherein said line means include at least one curved portion for turning the flow of the first medium, and wherein said apertured plate means and said housing means form a deflection chamber in the area of said curved portion.

Claim 24

A heat exchanger according to claim 14, wherein said line means include a curved portion for turning the flow of the first medium, characterized in that elastic sealing bar means are provided between said curved portion of said line means and the housing means.

Claim 25

A heat exchanger for mobile gas turbine units and the like comprising: line means for the flow of a first medium, flow space means forming a flow space for the flow of a second medium in communication with exterior surfaces of said line means, collecting tank means for the first medium, said collecting tank means having end faces at opposite ends thereof, said collecting tank means being subdivided into an inlet collecting space means and an outlet collecting space means operatively connected with one another by said line means, and housing means surrounding both said collecting tank means and said flow space, portions of said housing means forming part of said flow space means, said housing means being secured to the collecting tank means and line means substantially exclusively by way of connections between the housing means and the respective end faces of said collecting tank means whereby thermal stresses experienced by said line means and said collecting tank means are transferred to said housing means by way of said connections, wherein said housing means is spaced from the casing of said collecting tank such that a gap is formed between said casing and inner wall surfaces of said housing means, wherein elastic sealing bar means are provided for closing said gap with respect to the flow space for the second medium, and wherein said line means include a curved portion for turning the flow of the first medium, characterized in that elastic sealing bar means are provided between said curved portion of said line means and the housing means.

Claim 26

A heat exchanger for mobile gas turbine units and the like comprising: line means for the flow of a first medium, flow space means forming a flow space for the flow of a second medium in communication with exterior surfaces of said line means, collecting tank means for the first medium, said collecting tank means having end faces at opposite ends thereof, said collecting tank means being subdivided into an inlet collecting space means and an outlet collecting space means operatively connected with one another by said line means, and housing means surrounding both said collecting tank means and said flow space, portions of said housing means forming part of said flow space means, said housing means being secured to the collecting tank means and line means substantially exclusively by way of connections between the housing means and the respective end faces of said collecting tank means whereby thermal stresses experienced by said line means and said collecting tank means are transferred to said housing means by way of said connections, wherein said housing means is spaced from the casing of said collecting tank such that a gap is formed between said casing and inner wall surfaces of said housing means, wherein elastic sealing bar means are provided for closing said gap with respect to the flow space for the second medium, and wherein said line means include a curved portion for turning the flow of the first medium, characterized in that elastic sealing bar means are provided between said curved portion of said line means and the housing means.

Claim 27

A heat exchanger according to claim 22, characterized in that an elastic intermediate connecting means is arranged between one end face of the collecting tank means and the housing means for accommodating relative thermal eXpansion of said collecting tank means and said housing means.

Claim 28

A heat exchanger according to claim 22, characterized in that the housing means is closed off by a divided cover disposed essentially in the plane of the end face of the collecting tank means opposite the end face with the elastic intermediate connecting means.

Claim 29

A heat exchanger according to claim 22, wherein the line means extend through apertured plate means supported in the housing means, and wherein said line means include at least one curved portion for turning the flow of the first medium, and wherein said apertured plate means and said housing means form a deflection chamber in the area of said curved portion.

Claim 30

A heat exchanger according to claim 25, wherein said deflection chamber is substantially closed with respect to the flow space for the second medium.

Claim 31

A heat exchanger according to claim 26, characterized in that a slight clearance is provided between said line means and said apertured plate means to permit thermal expansion movements of said line means with respect to said apertured plate means.

Claim 32

A heat exchanger for mobile gas turbine units and the like comprising: line means for the flow of a first medium, flow space means forming a flow space for the flow of a second medium in communication with exterior surfaces of said line means, collecting tank means for the first medium, said collecting tank means having end faces at opposite ends thereof, said collecting tank means being subdivided into an inlet collecting space means and an outlet collecting space means operatively connected with one another by said line means, and housing means surrounding both said collecting tank means and said flow space, portions of said housing means forming part of said flow space means, said housing means being secured to the collecting tank means and line means substantially exclusively by way of connections between the housing means and the respective end faces of said collecting tank means whereby thermal stresses experienced by said line means and said collecting tank means are transferred to said housing means by way of said connections, wherein said line means extend through apertured plate means supported within the housing means, wherein said line means includes at least one curved portion for turning the flow of the first medium, and said apertured plate means and said housing means forms a deflection chamber in the area of said curved portion.

Claim 33

A heat exchanger for mobile gas turbine units and the like comprising: line means for the flow of a first medium, flow space means forming a flow space for the flow of a second medium in communication with exterior surfaces of said line means, collecting tank means for the first medium, said collecting tank means having end faces at opposite ends thereof, said collecting tank means being subdivided into an inlet collecting space means and an outlet collecting space means operatively connected with one another by said line means, and housing means surrounding both said collecting tank means and said flow space, portions of said housing means forming part of said flow space means, said housing means being secured to the collecting tank means and line means substantially exclusively by way of connections between the housing means and the respective end faces of said collecting tank means whereby thermal stresses experienced by said line means and said collecting tank means are transferred to said housing means by way of said connections, wherein said line means extend through apertured plate means supported within the housing means, wherein said line means includes at least one curved portion for turning the flow of the first medium, and said apertured plate means and said housing means forms a deflection chamber in the area of said curved portion.

Claim 34

A heat exchanger according to claim 28, wherein said deflection chamber is substantially closed with respect to the flow space for the second medium.

Claim 35

A heat exchanger according to claim 28, characterized in that an elastic intermediate connecting means is arranged between one end face of the collecting tank means and the housing means for accommodating relative thermal expansion of said collecting tank means and said housing means.

Claim 36

A heat exchanger according to claim 28, characterized in that the housing means is closed off by a divided cover disposed essentially in the plane of the end face of the collecting tank means opposite the end face with the elastic intermediate connecting means.

Claim 37

A heat exchanger according to claim 28, characterized in that a slight clearance is provided between said line means and said apertured plate means to permit thermal expansion movements of said line means with respect to said apertured plate means.

Claim 38

A heat exchanger according to claim 28, characterized in that elastic sealing bar means are provided between said curved portion of said line means and the housing means.