Jacket construction for fluid-circulating pumps

Claim 2

In a fluid-circulating pump of the in-line type having a body provided with inlet and outlet portions projecting outwardly at opposite ends of the body, and impeller means in said body for pumping fluid therethrough; the combination therewith of means substantially surrounding said pump body and outwardly projecting inlet and outlet portions in heat-transferring relation thereto and cooperating with said pump for directing a temperature controlling fluid in heat-transferring relation thereto and comprising a housing of heat-conductive material including inner and outer walls having therebetween at least one fluid passageway provided with inlet and outlet ports for circulation of the temperature controlling fluid through said passageway.

Claim 3

A structure according to claim 1 including a heat-conductive filler disposed between and filling voids between the proximal surfaces of said housing and the pump to facilitate the transfer of heat therebetween.

Claim 4

A structure according to claim 1 including a hollow shell-like member of heat-conductive material defining said fluid passageway in the housing, and said walls of said housing being molded around said hollow shell-like member.

Claim 5

A structure according to claim 1 including a hollow member of relatively thin heat-conductive material defining said fluid passageway in the housing, and said walls of the housing being of aluminum alloy molded around said hollow member.

Claim 6

A structure according to claim 1, wherein said housing comprises a cooperating pair of blocks with each block including inner and outer walls having a respective fluid passageway therebetween.

Claim 7

A structure according to claim 1 wherein said housing comprises a single integral block having wall portions extending along opposite sides of the body of the pump, with said fluid passageway being within said wall portions.

Claim 8

A structure according to claim 1 wherein said housing is substantially U-shaped in cross-section.

Claim 9

A structure according to claim 1 wherein said fluid passageway in the housing is substantially U-shaped in cross-section and extends beneath and adjacent opposite sides of the body of the pump.

Claim 10

A structure to claim 1 wherein said housing comprises a single integral block having a recessed medial portion in which the pump body is positioned, and wherein said passageway in the housing is substantially U-shaped in cross-section and extends beneath and adjacent opposite sides of the body of the pump.

Claim 11

In a fluid-circulating pump of the centrifugal type having a body of volute form provided with outwardly projecting inlet and outlet portions, impeller means in said body for pumping fluid therethrough, and wherein said inlet portion projects outwardly axially of said impeller means, and said outlet portion projects outwardly substantially radially of said impeller means; the combination therewith of means substantially surrounding said pump body and said outwardly projecting inlet and outlet portions in heat-transferring relation thereto and cooperating with said pump for directing a temperature controlling fluid in heat-transferring relation thereto and comprising a housing of heat-conductive material including inner and outer walls having therebetween at least one fluid passageway provided with inlet and outlet ports for circulation of the temperature controlling fluid through said passageway.

Claim 12

In a fluid-circulating pump of the centrifugal type having a body of volute form provided with outwardly projecting inlet and outlet portions, impeller means in said body for pumping fluid therethrough, and wherein said inlet portion projects outwardly axially of said impeller means, and said outlet portion projects outwardly substantially radially of said impeller means; the combination therewith of means substantially surrounding said pump body and said outwardly projecting inlet and outlet portions in heat-transferring relation thereto and cooperating with said pump for directing a temperature controlling fluid in heat-transferring relation thereto and comprising a housing of heat-conductive material including inner and outer walls having therebetween at least one fluid passageway provided with inlet and outlet ports for circulation of the temperature controlling fluid through said passageway.

Claim 13

A structure according to claim 10 wherein said housing inner wall is positioned against said volute pump body axially of said impeller means, and said housing also including an arcuate wall at least partially surrounding said volute pump body radially of said impeller means.

Claim 14

A structure according to claim 10 wherein said housing is of generally cup-shaped configuration with said housing inner wall defining one end of the cup-shaped configuration and being positioned against said volute pump body axially of said impeller means, said housing also including an arcuate wall at least partially surrounding said volute pump body radially of said impeller means, and the housing being open at its other end.

Claim 15

In a fluid-circulating pump having a body provided with inlet and outlet portions, and impeller means in said body for pumping fluid therethrough; the combination therewith of means substantially surrounding said pump body in heat-transferring relation thereto and cooperating with said pump for directing a temperature controlling fluid in heat-transferring relation thereto and comprising a housing formed of a pair of blocks of heat-conductive material, each block including inner and outer walls having therebetween a fluid passageway provided with inlet and outlet ports for circulation of the temperature controlling fluid through said passageway.

Claim 16

In a fluid-circulating pump having a body provided with inlet and outlet portions, and impeller means in said body for pumping fluid therethrough; the combination therewith of means substantially surrounding said pump body in heat-transferring relation thereto and cooperating with said pump for directing a temperature controlling fluid in heat-transferring relation thereto and comprising a housing formed of a pair of blocks of heat-conductive material, each block including inner and outer walls having therebetween a fluid passageway provided with inlet and outlet ports for circulation of the temperature controlling fluid through said passageway.

Claim 17

In a fluid-circulating pump having a body provided with inlet and outlet portions, and rotary impeller means in said body for pumping fluid therethrough; the combination therewith of means substantially surrounding said pump body in heat-transferring relation thereto and cooperating with said pump for directing a temperature controlling fluid into heat-transferring relation thereto and comprising a housing including a cooperating pair of blocks of heat-conductive material, each block including inner and outer walls having therebetween a fluid passageway provided with inlet and outlet ports for circulation of the temperature controlling fluid through the passageway, and means associated with said pair of blocks for positioning the same in predetermined relation to each other and in substantially surrounding relation to said pump body.

Claim 18

In a fluid-circulating pump having a body provided with inlet and outlet portions, and rotary impeller means in said body for pumping fluid therethrough; the combination therewith of means substantially surrounding said pump body in heat-transferring relation thereto and cooperating with said pump for directing a temperature controlling fluid into heat-transferring relation thereto and comprising a housing including a cooperating pair of blocks of heat-conductive material, each block including inner and outer walls having therebetween a fluid passageway provided with inlet and outlet ports for circulation of the temperature controlling fluid through the passageway, and means associated with said pair of blocks for positioning the same in predetermined relation to each other and in substantially surrounding relation to said pump body.

Claim 19

A structure according to claim 14 including a heat-conductive filler disposed between and filling voids between the proximal surfaces of said housing and said pump to facilitate the transfer of heat therebetween.

Claim 20

A structure according to claim 14 wherein said means associated with said pair of blocks for positioning the same in predetermined relation and in substantially surrounding relation to said pump body comprises means for detachably securing said pair of blocks on said pump body.

Claim 21

A structure according to claim 14 wherein said pump is adapted to occupy a substantially horizontal position with said inlet and outlet portions of said pump body being at opposite ends of the pump body and in substantial alignment with each other, the lower portion of the pump body terminating in a reduced portion of substantially smaller cross-sectional area than the upper portion thereof, a supporting flange attached to the bottom of said reduced portion of the pump, and the proximal lower portions of the pair of blocks of said housing having inwardly projecting portions thereon underlying the upper portion of the pump body and closely circumscribing said reduced lower portion of the pump body in heat-transferring relation thereto.

Claim 22

In a fluid-circulating pump having a body provided with inlet and outlet portions thereon, and rotary impeller means in said body for pumping fluid therethrough; the combination therewith of means substantially surrounding said pump body in heat-transferring relation thereto and cooperating with said pump for directing a temperature controlling fluid into heat-transferring relation thereto and comprising a housing including a cooperating pair of blocks of heat-conductive material, and each block including inner and outer wall means having therebetween a fluid passageway provided with inlet and outlet ports for circulation of the temperature controlling fluid through the passageway, means associated with said pair of blocks for positioning the same in predetermined relation to each other and in substantially surrounding relation to said pump body, and a layer of insulation material substantially enclosing said housing and said pump body.

Claim 23

In a fluid-circulating pump having a body provided with inlet and outlet portions thereon, and rotary impeller means in said body for pumping fluid therethrough; the combination therewith of means substantially surrounding said pump body in heat-transferring relation thereto and cooperating with said pump for directing a temperature controlling fluid into heat-transferring relation thereto and comprising a housing including a cooperating pair of blocks of heat-conductive material, and each block including inner and outer wall means having therebetween a fluid passageway provided with inlet and outlet ports for circulation of the temperature controlling fluid through the passageway, means associated with said pair of blocks for positioning the same in predetermined relation to each other and in substantially surrounding relation to said pump body, and a layer of insulation material substantially enclosing said housing and said pump body.

Claim 24

In a fluid-circulating pump of the in-line type having a body provided with inlet and outlet portions projecting outwardly at opposite ends of the pump body and having enlarged end flanges on the distal ends thereof, and impeller means in said body for pumping fluid therethrough; the combination therewith of means substantially surrounding said pump body in heat-transferring relation thereto and cooperating with said pump for directing a temperature controlling fluid in heat-transferring relation thereto and comprising a housing of heat-conductive material including inner and outer walls having therebetween at least one fluid passageway provided with inlet and outlet ports for circulation of the temperature controlling fluid through said passageway, said housing being provided with openings therein closely surrounding the projecting inlet and outlet portions of the pump body, and said housing also being provided with recesses therein for accommodating therein the flanges on the projecting inlet and outlet portions of the pump.

Claim 25

In a fluid-circulating pump of the in-line type having a body provided with inlet and outlet portions projecting outwardly at opposite ends of the pump body and having enlarged end flanges on the distal ends thereof, and impeller means in said body for pumping fluid therethrough; the combination therewith of means substantially surrounding said pump body in heat-transferring relation thereto and cooperating with said pump for directing a temperature controlling fluid in heat-transferring relation thereto and comprising a housing of heat-conductive material including inner and outer walls having therebetween at least one fluid passageway provided with inlet and outlet ports for circulation of the temperature controlling fluid through said passageway, said housing being provided with openings therein closely surrounding the projecting inlet and outlet portions of the pump body, and said housing also being provided with recesses therein for accommodating therein the flanges on the projecting inlet and outlet portions of the pump.