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| Number | Title | Issue Date |
| 7207779 | Impeller for radial-flow heat dissipating fan An impeller for a radial-flow heat dissipating fan includes a hub and a plurality of blades surrounding the hub. The blades are connected to a circumference of the hub to allow joint rotation of the hub and the blades. The impeller includes an air inlet side and a b... | 04/24/2007 |
| 7189052 | Centrifugal compressor having rotatable compressor case insert A centrifugal compressor is disclosed as including a case, a compressor chamber, and an impeller in the compressor chamber for compressing fluid from an inlet opening and forcing compressed fluid through an outlet opening. Moreover, the compressor includes an insert... | 03/13/2007 |
| 7047914 | Internal combustion engine combination with direct camshaft driven coolant pump A coolant pump for use with an internal combustion engine having a crankshaft and a camshaft driven by the crankshaft includes a pump housing fixedly mountable to the engine. The pump housing includes an inlet opening to receive coolant and an outlet opening to disc... | 05/23/2006 |
| 6969234 | Fan guide hood structure A fan guide hood structure includes a fixing seat and a hood. The fixing seat has a hollow cylinder, which has clamping parts and guide rails arranged in symmetry at its edge and a fixing part on its top. The fixing part is designed to couple with the fan unit and t... | 11/29/2005 |
| 6951446 | Fan cover heat dissipation assembly for a host computer CPU A fan cover assembly installed within a computer case of a host computer, thereby providing a heat dissipating effect of for a CPU (central processing unit). Configured for usage in a slim IU industrial server computer case, whereby the fan cover assembly is structu... | 10/04/2005 |
| 6881032 | Exit stator mounting A gas turbine engine has an intermediate case. At least one compressor exit stator shroud is welded to the intermediate case. ... | 04/19/2005 |
| 6561761 | Fluted compressor flowpath A compressor flowpath includes circumferentially spaced apart airfoils having axially spaced apart leading and trailing edges and radially spaced apart outer and inner ends. An outer wall bridges the airfoil outer ends, and an inner wall bridges the inner... | 05/13/2003 |
| 4979875 | Centrifugal pump for the delivery of hot liquids Centrifugal pump for the delivery of hot media, in particular of hot water with at least one shaft passage through the pump housing (1,2) to the outside, which passage is provided with a mechanical seal (5). The sealing space is separated from the pump ho... | 12/25/1990 |
| 4872809 | Slurry pump having increased efficiency and wear characteristics A high efficiency centrifugal slurry pump having satisfactory wear characteristics. The increased efficiency is obtained primarily through making the pump more narrow. Through careful control of the other pump dimensions, the increase in wear normally ass... | 10/10/1989 |
| 4806078 | Device for transmitting torque to brittle impellers of fluid flow machines A centrifugal pump wherein the back shroud of a brittle impeller of ceramic or glass is coupled to the radially outwardly extending disc of a metallic adapter whose hub receives torque from the pump shaft. The adapter has a flange which surrounds the peri... | 02/21/1989 |
| 4768920 | Method for pumping fragile or other articles in a liquid medium A pump for pumping fragile articles including fish and glasses without damage includes a rotary pump having a plain disc impeller disposed in a substantially cylindrical chamber of a housing with an inlet into, or coaxial of, the impeller into the housing... | 09/06/1988 |
| 4717311 | Centrifugal pump A centrifugal pump and method of making the same. The pump includes a casing having at least one impeller, an axial fluid inlet opening, and an outlet opening of a predetermined area. The impeller has a plurality of radially disposed impeller blades which... | 01/05/1988 |
| 4655684 | Centrifugal pump for wide range of operating conditions A cantilever shaft centrifugal pump including a volute casing and impeller within said casing and mounted on the end of the cantilever shaft. The volute chamber has an inlet coaxial with the axis of the cantilever shaft and an outlet extending tangentiall... | 04/07/1987 |
| 4575312 | Impeller The invention is related to an impeller for a single vane type of centrifugal pump. In order to diminish the risk of clogging of the pump when pumping a fluid having a large impurity content, a vane having varying thickness is provided. In this manner, th... | 03/11/1986 |
| 4556364 | Centrifugal pumps A centrifugal pump comprises an impeller which rotates at the center of a volute casing. The open side of the casing is closed by means of a wear plate which is fixed relative to the casing and which has a central inlet opening. The impeller includes a re... | 12/03/1985 |
| 4533294 | High speed centrifugal pump and method for operating same at reduced noise levels In a single stage, single suction, high speed centrifugal pump utilizing a closed Francis-vane impeller including a radially extending vane support portion having an outer discharge diameter at least approximately twice the inlet diameter of the inlet eye... | 08/06/1985 |
| 4509683 | Apparatus for dispersing atomized liquid Atomized liquid dispersing apparatus includes a substantially cylindrical casing having an open rearward end constituting an air inlet and a motor driven centrifugal rotor for drawing air into the air inlet, the rotor being integral with an annular concen... | 04/09/1985 |
| 4389160 | High speed centrifugal pump and method for operating same at reduced noise levels In a single stage, single suction, high speed centrifugal pump utilizing a closed Francis-vane impeller, operating noise is reduced by encasing a single-step helical gear drive arrangement in a common bearing housing with the impeller's shaft. The operati... | 06/21/1983 |
| 4355954 | Pump impeller A bidirectional pump is provided which includes a pair of impellers each operable for pumping liquid in one direction of operation. One of the impellers has modified vane structure for reducing turbulent liquid flow conditions when rotated in a reverse di... | 10/26/1982 |
| 4278397 | Fluid flow machine A fluid flow machine has at least one disc-shaped rotor provided with flow channels for a flow medium, the intake and exit openings of said channels being located axially of said rotor. The distance of the intake openings from the axis of rotation is diff... | 07/14/1981 |
| 4253798 | Centrifugal pump A centrifugal pump includes an impeller and a volute casing. The impeller comprises a main disc and a plurality of vanes which project axially from at least one side of the disc. A fluid passage is formed between each pair of adjacent vanes. The passage h... | 03/03/1981 |
| 4239453 | Means for reducing cavitation-induced erosion of centrifugal pumps Erosion of parts owing to cavitation in the part-load region of operation of a centrifugal pump is reduced or eliminated by equipping the pump with an annular diffuser which is installed upstream of the annular intake of the impeller. The impeller portion... | 12/16/1980 |
| 4195965 | Ram pump flowmeter A mass-rate flowmeter of the recirculation type wherein the recirculating flow is created by a ram type centrifugal pump having a substantially constant volume flow discharge rate over the operating pressure range of said mass-rate flowmeter.... | 04/01/1980 |
| 4063849 | Non-clogging, centrifugal, coaxial discharge pump A rotatably driven, hydrodynamic, centrifugal coaxial discharge pumping apparatus for moving fluids or flows of sludge or streams with trash or solids mixed therein with a single suction, diffusion casing pump. The pump has a vertical housing with an axia... | 12/20/1977 |
| 3973872 | Centrifugal compressor The compressor comprises an impeller and a diffuser with blades (vanes) of a constant thickness, arranged around the circumference of the impeller and diffuser. In the zone between the entrance edge of each blade (vane) and its center in a radial directio... | 08/10/1976 |
| 3967915 | Centrifugal pump A centrifugal pump is described having an improved and simplified construction of pump casing and impeller with easy adaptability of the components over a wide range of capacity, the pump casing preferably being of stamped sheet metal with welded inlet an... | 07/06/1976 |
