U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Bizarre Patents

Patent No. 6049912

Mountable Printable Placard With Headband

A resilient headband in a shape for being mounted on the head of the user. The headband is equipped with a longitudinal slotted member for holding a placard.

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Class 415/201 - Access opening through portion of casing or cover


Subclass of Class 415 - Rotary kinetic fluid motors or pumps
Definition: Apparatus in which a part of the casing* may be
No. of patents: 116
Last issue date: 04/10/2012


1      
NumberTitleIssue Date
8152460Device for bleeding air from a turbomachine compressor
A turbomachine compressor, including an air bleed device including a duct having a suction end opening out into an outer casing of the compressor level with a rotor wheel and a stator stage of the compressor is disclosed. A screen sheet of annular shape is mounted r...
04/10/2012
8096759Bulkhead of a wind turbine
A bulkhead for a wind turbine is provided. The wind turbine includes a rotor hub and a rotor blade operatively attached to the rotor hub. The rotor blade includes a blade root. The bulkhead includes multiple access openings with closable hatches and is arranged in o...
01/17/2012
8075261Gas turbine engine compressor case mounting arrangement
A compressor case support arrangement for a gas turbine engine includes a fan section having a central axis and a compressor case for housing a compressor. An inlet case guides air to the compressor. The compressor case is positioned axially further from the fan sec...
12/13/2011
7802966Rotary blood pump
Various “contactless” bearing mechanisms including hydrodynamic and magnetic bearings are provided for a rotary pump as alternatives to mechanical contact bearings. In one embodiment, a pump apparatus includes a pump housing defining a pumping chamber. The housi...
09/28/2010
7517191Operational maintenance of air-conditioning installations
An assembled pump compressor arrangement of an air-conditioning system having a housing enclosing an impeller with a thrust collar positioned thereon. The arrangement includes a tool for applying torque to the impeller having an outer cylindrical element and a plura...
04/14/2009
7435050Split flange V-groove and anti-rotation mating system
There is provided a turbine engine component, such as a duct pipe, comprising an annular flange, at least one element, such as two duct pipe halfs, to be mated to the flange, and mating system for joining the at least one element to the flange. The mating system inc...
10/14/2008
7431567Wind turbine having a direct-drive drivetrain
A wind turbine (100) comprising an electrical generator (108) that includes a rotor assembly (112). A wind rotor (104) that includes a wind rotor hub (124) is directly coupled to the rotor assembly via a simplified connection. The ...
10/07/2008
7326031Access port for dirt removal for gas turbine engine
A gas turbine engine is provided with a dirt separator placed in a path of the radially outer cooling air flow, and includes a radially outer leg that defines a space to capture dirt or other impurities. An access port is provided in a turbine engine case in an area...
02/05/2008
7290980Duct quick connect removable blower housing apparatus
A furnace blower apparatus has a tubular housing that is connected between a heating furnace and an exhaust flue of the furnace. The housing has an interior bore containing a fan assembly for drawing air through the furnace burner chamber on operation of the fan ass...
11/06/2007
7094028Outlet airflow direction control device
An outlet airflow direction control device includes a fan and a frame. The frame has an inlet and an outlet via which an amount of fluid flows into and out of the frame, and is internally provided at the outlet with a hub seat for supporting the fan thereon. A plura...
08/22/2006
7077627Fan assembly and method
A fan assembly comprising a casing having an inlet and an outlet for fluid circulation through the casing, and a closeable opening to allow access to an interior of the casing. A rotor induces fluid circulation in the casing. A motor is connected to the rotor so as ...
07/18/2006
7048540Air-driven cutting device for medical treatment
A air-driven cutting device for medical treatment (a handpiece (10)) comprises a housing (18) for a head portion (14). The housing (18) accommodates a rotary cylinder (60) for holding a cylindrical cutting tool (46) inserted...
05/23/2006
6994517Furnace blower apparatus with removable housing section fan assembly support
A furnace blower apparatus has a tubular housing that is connected between a heating furnace and an exhaust flue of the furnace. The housing has an interior bore containing a fan assembly for drawing air through the furnace burner chamber on operation of the fan ass...
02/07/2006
6930407Method for producing a hydropower plant
Method for producing a device for obtaining electrical energy from hydropower and a method for modifying a dam, in which, at a remote production site, at least two turbine-generating units, comprising a turbine and a generator connected to it, are produced, at a rem...
08/16/2005
6884032Water pump and method of closure
A water pump having a housing with an opening defined by an axial inner retention surface and a radial outer surface. A plug formed of sheet metal includes a radial closure portion surrounded by a continuous axial flange adapted to be press fitted into the inner ret...
04/26/2005
6799943Centrifugal pump with multiple inlets
A centrifugal pump (10) having a pump housing (40) that defines a substantially axial inlet port (32), a substantially radial inlet port (34) and an outlet port (30). An impeller (42) is rotatable within an impeller chamber ...
10/05/2004
6585484Pivotal and removable door for an air handler
An air handler enclosure having a pivotal door panel covers an access opening leading to a blower inside the enclosure. The door panel is held in engagement with the enclosure when the panel is fully open or closed. The panel can completely disengage the ...
07/01/2003
6375410Frangible cover for turbofan engine blade removal and access
A frangible cover is provided for a recess in a containment case for turbofan engine blade removal and access. The recess provided in the containment case allows outward radial movement of the engine fan blade when the engine fan blade is to be removed fr...
04/23/2002
6322321Nozzle chamber warming-up structure for a steam turbine
A nozzle chamber warming-up structure comprises a ring mounted about a rotor of the turbine and defines an annular space surrounding the rotor. The annular spaced is divided by dividing walls into a plurality of steam chambers distributed circumferentiall...
11/27/2001
6322318Blower package and method of use
A blower module which is sufficiently quiet to be placed in occupied buildings and not require the construction of a separate blower building; each blower module is a cylinder having conic drip cap on its top, a positive displacement blower, typically, a ...
11/27/2001
6318961Axial turbine
The object of the invention is to provide an axial-flow turbine having an improved efficiency. In addition, the assembly and dismantling possibilities are to be extended. According to the invention, this is achieved in that the parting seam (17) between t...
11/20/2001
6312217Variable capacity supercharger
A plurality of mounting holes 28 are bored in gas discharge channel 9a of turbine shroud 9 disposed on the inner periphery of turbine housing 1 on the opposite side to bearing housing. Screw holes 29 are constructed corresponding to mounting holes 28, in ...
11/06/2001
6270316Pump with suction and delivery opening along the same axis easy to dismantle
A pump with suction and delivery openings along the same axis, easy to dismantle, and consisting of a body (12), with an impeller (24) to which an actuator means (16) is connected, the body being provided on one side with a suction opening (19) and on the...
08/07/2001
6114773Hydraulic turbine assembly
A new hydraulic turbine assembly for deriving extra energy out of a conventional hydroelectric power generating system by incorporating a second turbine generator at the inlet from the reservoir. The inventive device includes a vertical water inlet pipe b...
09/05/2000
6019575Erosion energy dissipater
A turbine (18) of a gas turbine engine includes erosion energy dissipaters (44) which comprise of a plurality of inlet orifices (46) and a large diameter outlet orifice (48). The erosion energy dissipater reduces erosion of associated structure due to imp...
02/01/2000
5988976Scroll, for a fluid-working device
Scrolls separable radially, to enable cleaning and polishing of the inner surfaces of the throat area, are disclosed. In one of the embodiments, an inner structure of the scroll intrudes into the throat area for selectively reducing the area, in order tha...
11/23/1999
5961277Inspection device and method
There is provided an inspection device and method for inspecting a pump having a casing defining an internal surface and a plurality of radially spaced diffuser vanes arranged within the casing. The inspection device includes an image providing apparatus ...
10/05/1999
5913658Removable inner turbine shell with bucket tip clearance control
A turbine includes a plurality of inner shell sections mounting first and second stage nozzle and shroud portions. An outer housing surrounds the inner shell sections and includes at least two outer shell sections overlying the inner shell sections. The i...
06/22/1999
5813829Disengageable manual drive for rotating a turbomachine rotor
Manual rotation of a turbomachine rotor in order to bring the blades of the rotor one by one in front of an endoscope to check the blades is effected by a shaft which is rotatably connected to the rotor and which may be, for example, a shaft of the auxili...
09/29/1998
5573378Gas turbine nose cone attachment
A nose cone on the fan of a gas turbine engine contains access holes that provide access to cap screws that hold the nose cone on the fan hub. The cap screws extend through an internal flange on the nose cone. A spring clip extends from the flange in a co...
11/12/1996
5545010Method and apparatus for trim balancing a gas turbine engine
Trim balancing of rotating components in the past has increased manufacturing cost. In many past applications, the time and energy required to trim balance rotating components required partial disassembly of an outer case or structure member. The present ...
08/13/1996
5431534Removable inspection hole plug
A removable inspection hole plug for sealing a plurality of inspection holes formed in a double-walled enclosure is disclosed in which individual sealing units are disposed in each of the inspection holes, with the individual sealing units linked together...
07/11/1995
5362204Gas turbine with flanged-on exhaust gas casing
In a gas turbine having a blade carrier (2) which is suspended coaxially in a turbine casing (3), both the turbine casing and the blade carrier are provided with a horizontal junction plane. An exhaust gas casing (5), whose bounding walls consist essentia...
11/08/1994
5269649Pre-rotational swirl controller for rotary pumps
Pre-rotational swirl controller for rotary pumps having a flow duct enclosed by a casing and a plurality of guide vanes located substantially radially within it. Each of these has two bearings, i.e. one on a hub located centrally and one on a trunnion whi...
12/14/1993
5232341Pump impeller assembly
A pump impeller assembly comprises a pump journal, an impeller fixed to one end of the pump journal, and a pulley fixed to the other end of the pump journal. The pump impeller assembly further comprises a pump bearing including an outer race surrounding t...
08/03/1993
5222862Turbine generator pressure relief diaphragm
A pressure relief diaphragm is associated with a turbine housing and is operable to relieve excessive pressure within the turbine housing to prevent damage to turbine blades. The pressure relief diaphragm includes a safety housing having a mounting flange...
06/29/1993
5185941Dryer blower cleanout door assembly
A blower cleanout door assembly including a door panel pivotally connected to a blower housing for supporting a blower assembly including a blower wheel and motor for swinging movement of the door panel between a closed position covering a blower wheel op...
02/16/1993
5152662Inspection aperture sealing
An inspection access feature suitable for use in an inspection aperture in the casing of a gas turbine engine. The feature comprises a body portion which locates in the aperture and a removable plug portion which locates in an aperture extending through t...
10/06/1992
5085513Arrangement for mixing powder with liquid
An apparatus for mixing powder and liquid together continuously comprises a housing (1) which has a conical surface (16), and a rotor (7) which is journalled for rotation in the housing and which has a conical surface (9). The housing has provided therein...
02/04/1992
5066193Water pump housing closure and a water pump gasket adjustment mechanism
The disclosure is related to centrifugal water pumps and consists of a union of lateral suction and support covers with the water pump housing by a plurality of non-screwing pressure elements and of an external gasket adjustment mechanism....
11/19/1991
1      
 
Sign InRegister
Username  
Password   
forgot password?