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

Icon_funbox Did You Know...

...that after Parker Brothers executives turned down the game of Monopoly because it had "52 fundamental errors" (including taking too long to play), a copy of the game wound up in the home of the company president who stayed up until 1 a.m. to finish playing it? He was so impressed by the game that the next day he wrote to inventor Charles Darrow and offered to buy it!

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 418/63 - With relatively movable partition member


Subclass of Class 418 - Rotary expansible chamber devices
Definition: Apparatus in which there is provided a displaceable divider
No. of patents: 233
Last issue date: 05/25/2010


1            
NumberTitleIssue Date
7722343Sealed-type rotary compressor and refrigerating cycle device
A sealed-type rotary compressor includes a rotary drive unit and a compression mechanism coupled via a rotary shaft pivotally supported by a main bearing and a sub-bearing, and roller bearings. In the compressor, there are provided an oil filler opening which is pro...
05/25/2010
7604466Discharge muffler system for a rotary compressor
An improved muffler system for a compressor assembly where the muffler is disposed within the compressor housing and a peripheral edge of the muffler abuts, and expansively engages, the interior surface of the housing in an interference fit relationship. The compres...
10/20/2009
7581936Hermetically sealed compressor having oil supply mechanism based on refrigerant pressure
A hermetically sealed rotary compressor 100 including an electrically-driven element 2, a rotary compressing element 4 equipped with a cylinder 41 having a compression chamber 43 and a hermetically sealed container 1 in whic...
09/01/2009
7484945Compressor for refrigerator-freezer having a porous member
A projection of an upper bearing member is provided with a porous member, and a lower space between a rotational motor and a compression mechanism is defined into a lower compression mechanism-side space and a lower rotational motor-side space. With this structure, ...
02/03/2009
7438541Hermetic rotary compressor
A hermetic rotary compressor operates two cylinders simultaneously in the regular operation; however it halts operating one of the cylinders when it selects an operation with a half capacity. A vane room of the halted cylinder is air-tightly sealed with respect to l...
10/21/2008
7416395Sleeve for coupling a refrigerant pipe to a compressor container
A sleeve connecting a refrigerant pipe to a sealed compressor container has a reduced outer dimension and an inner step that accommodates the refrigerant pipe. An end of the refrigerant pipe abuts the inner step to accurately locate the refrigerant pipe to permit th...
08/26/2008
7399170Hermetic rotary compressor and refrigerating cycle device using the same
In a two-cylinder type hermetic rotary compressor, a first cylinder continually operates due to a spring member biasing a first vane. A pressure introducing pipe is connected to a second vane room arranged in a second cylinder. The second cylinder stops and starts o...
07/15/2008
7381038Capacity-changing unit of orbiting vane compressor
Disclosed herein is a capacity-changing unit of an orbiting vane compressor that is capable of performing normal operation and no-load operation in inner and outer compression chambers through simple manipulation of a rotary valve plate, thereby easily changing the ...
06/03/2008
7374410Low-pressure type orbiting vane compressor
Disclosed herein is a low-pressure type orbiting vane compressor that is capable of diverging low-temperature and low-pressure refrigerant gas introduced into a shell through an inlet tube to an inlet port of a cylinder and a drive unit so as to simultaneously compr...
05/20/2008
7368390Photolithographic patterning process using a carbon hard mask layer of diamond-like hardness produced by a plasma-enhanced deposition process
A carbon hard mask layer is applied to a substrate to be patterned by means of a plasma-enhanced deposition process in such a manner that it has a hardness comparable to that of diamond in at least one layer thickness section. During the production of this diamond-l...
05/06/2008
7361004Compression unit of orbiting vane compressor
Disclosed herein is a compression unit of an orbiting vane compressor. The compression unit comprises a circular operation space formed in a cylinder, the circular operation space having opposite ends, a circular vane disposed in the operation space for performing a...
04/22/2008
7361005Rotary compressor having discharge muffling
A high inner pressure type multistage compression rotary compressor having a support member blocking an opening of a cylinder constituting the rotary compression element and having a bearing of a rotary shaft. The surface of the support member on a side opposite to ...
04/22/2008
7354250Variable capacity rotary compressor
A variable capacity rotary compressor having a slot defined between eccentric bushes, a latch pin fitted to a rotary shaft so as to be latched to the slot, and a restraint unit for restraining the eccentric bushes upon rotation of the rotary shaft. The restraint uni...
04/08/2008
7351043Horizontal compressor end cap
A substantially horizontal compressor including a housing having a main body portion with an open end. An end cap is secured to the main body portion with the end cap being provided with a plurality of apertures. The hermetic terminal body of the compressor is seala...
04/01/2008
7344366Hermetic compressor having a high pressure chamber
A hermetic compressor is disclosed to reduce a production cost, for which low temperature and low pressure gas passes inside a case to reduce a pressure inside the case so that it is not necessary to increase the thickness of the case and to reinforce a strength. Th...
03/18/2008
7338268Discharge valve device of a compressor
A compressor includes a casing, a driving part adapted to be accommodated in the casing for generating a driving force, a compression part for compressing gas with the driving force from the driving part and provided with an inlet for inhaling the gas and an outlet ...
03/04/2008
7329107Oil supply structure for slider of orbiting vane compressor
Disclosed herein is an oil supply structure for a slider of an orbiting vane compressor capable of providing effective lubrication to reciprocating surfaces of the slider reciprocating in an annular space of a compressor cylinder. The oil supply structure comprises ...
02/12/2008
7320658Rotating shaft support apparatus and differential gear unit
In a lubrication groove, which is formed in an insertion hole into which is inserted an output shaft, and which winds around the circumference of the insertion hole while advancing in the axial direction of the insertion hole, there is a portion that is farther to t...
01/22/2008
7309217Variable capacity rotary compressor
A variable capacity rotary compressor includes a hermetic casing, a housing installed in the hermetic casing to define therein first and second compression chambers having different capacities, and a compressing unit placed in the first and second compression chambe...
12/18/2007
7293970Two-stage rotary compressor
An oil supply hole connecting an oil reservoir to a suction port formed in a lower supporting member of a two-stage rotary compressor is disclosed. The suction port is provided in the lower supporting member attached to the lower side of a high stage side rotary com...
11/13/2007
7294077CVT belt with chromium nitride coating
A belt for a continuously variable transmission (CVT) includes at least one continuous band supported against a contact face in a slot formed in each of a plurality of transverse elements of the CVT. The band has a surface positioned against the contact face. This s...
11/13/2007
7293968Capacity-changing unit of orbiting vane compressor
Disclosed herein is a capacity-changing unit disposed in an orbiting vane compressor, which compresses refrigerant gas introduced into a cylinder through an orbiting movement of an orbiting vane in the cylinder, for easily changing capacity of the orbiting vane comp...
11/13/2007
7290994Rotary hermetic compressor and refrigeration cycle system
A vane of a first cylinder is compressed and urged by a spring member. A vane of a second cylinder is compressed and urged corresponding to a differential pressure between an intra-casing pressure guided into a vane chamber and a suction pressure or discharge pressu...
11/06/2007
7247348Method for manufacturing a erosion preventative diamond-like coating for a turbine engine compressor blade
Methods for making an erosion resistant gas turbine engine compressor airfoil substrates coated with a diamond-like coating (DLC), wherein the coating airfoil substrates are protected from ingested abrasive particulates, may include the step of performing a hydrogen...
07/24/2007
7232291Variable capacity rotary compressor
A variable capacity rotary compressor to reduce an electric power loss thereof and includes a drive unit to generate a rotating force, a rotating shaft connected to the drive unit to rotate thereby, and a compressing cylinder through which the rotating shaft passes....
06/19/2007
7229257Horizontal type compressor
A horizontal type compressor comprising: a differential pressure plate for dividing an inside of a casing into a high pressure chamber and a lower pressure chamber and thus maintaining an oil level of the high pressure chamber to be higher than that of the lower pre...
06/12/2007
7220110Compressor having a throttled-return passage connecting an oil accumulator to a seal container
A refrigerant cycling device is provided, wherein a compressor comprises an electric motor element, a first and a second rotary compression elements in a sealed container. The first and the second rotary compression elements are driven by the electric motor element....
05/22/2007
7211144Pulsed nucleation deposition of tungsten layers
A method of forming a tungsten nucleation layer using a sequential deposition process. The tungsten nucleation layer is formed by reacting pulses of a tungsten-containing precursor and a reducing gas in a process chamber to deposit tungsten on the substrate. Thereaf...
05/01/2007
7201803Valve control system for atomic layer deposition chamber
A valve control system for a semiconductor processing chamber includes a system control computer and a plurality of electrically controlled valves associated with the processing chamber. The system further includes a programmable logic controller in communication wi...
04/10/2007
7188941Valve for a printing apparatus
A valve for a printing apparatus that uses liquid ink includes a valve seat, a valve stop and a valve member interposed between the valve seat and the valve stop. ...
03/13/2007
7186095Compressor mounting bracket and method of making
A mounting bracket for a compressor. The mounting bracket includes a mounting member and an elongate bracing member. The mounting member is secured to the housing of the compressor has a central support section in substantial registry with the housing. The mounting ...
03/06/2007
7186100Variable capacity rotary compressor
A variable capacity rotary compressor allowing oil to be smoothly supplied to compressing elements, regardless of a rotating direction of a rotating shaft. The variable capacity rotary compressor includes a rotating shaft which is rotated in a forward direction or a...
03/06/2007
7163383Compressor having alignment bushings and assembly method
A compressor assembly including a compression mechanism having a main bearing and a plurality of first pilot holes, and an electric motor comprising a rotor disposed within a stator. The stator has a plurality of second and third pilot holes. Each of the first pilot...
01/16/2007
7150602Variable capacity rotary compressor
A variable capacity rotary compressor including first and second compression chambers having different capacities, and a rotating shaft. First and second eccentric cams are mounted to the rotating shaft to be eccentric in a same direction. First and second eccentric...
12/19/2006
7147943Magnetic recording medium, the manufacturing method and magnetic recording apparatus using the same
This magnetic recording medium is characterized in that in the magnetic recording medium having a magnetic layer on a non-magnetic substrate by intercalating at least an under layer, the proportion of functional groups per 100 carbon atoms in a diamond-like carbon p...
12/12/2006
7144224Variable capacity rotary compressor
A variable capacity rotary compressor is designed to prevent eccentric bushes from slipping during a compression operation, and thereby prevent noise from being generated and increase durability. The variable capacity rotary compressor includes a housing to define f...
12/05/2006
7134381Refrigerant compressor and friction control process therefor
There is provided a refrigerant compressor including compressor parts having sliding portions slidable relative to each other and a refrigeration oil applied to the sliding portions of the compressor parts. At least one of the sliding portions of the compressor part...
11/14/2006
7128540Refrigeration system having a rotary compressor
There is provided a rotary compressor capable of preventing deterioration of performance following plug fixing carried out to prevent falling-off of a spring member. The rotary compressor comprises a cylinder constituting a rotary compression element, a roller engag...
10/31/2006
7127980Vane, valve timing control device, and sliding member
A vane, a valve timing control device at least including a vane, or a sliding member include at least one of chromium and manganese with 10–20 weight %, and carbon with 0.70 weight % or less wherein the vane is formed by nitriding treatment. ...
10/31/2006
7124739Fuel pressure adjusting apparatus
A fuel pressure adjusting apparatus which includes a casing which includes a fuel introduction port, and a fuel discharge port; and a cylindrical member which is housed in the casing, and which includes a valve seat at an end portion thereof, and a communication pas...
10/24/2006
1            
 
Sign InRegister
Username  
Password   
forgot password?