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Class Information
Number: 418/144
Name: Rotary expansible chamber devices > With mechanical sealing > Seal element between working member and cylinder > Between adjacent cylinder and working member sides
Description: Apparatus wherein the means opposing the passage of fluid is mounted or positioned on the side surfaces (i.e., end face) of the cylinder to engage the adjacent side surface of the working member.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7318712 |
Rotary piston machines comprising a displaceable inner housing |
Jan. 15, 2008 |
| 7207783 |
Variable displacement pump |
Apr. 24, 2007 |
| 7097437 |
Rotary fluid machine |
Aug. 29, 2006 |
| 6884051 |
Rotary fluid machinery |
Apr. 26, 2005 |
| 6808374 |
Sanitary design gear pump |
Oct. 26, 2004 |
| 6485279 |
Thrust load reliever |
Nov. 26, 2002 |
| 6183231 |
Clean-in-place gear pump |
Feb. 6, 2001 |
| 6171089 |
External gear pump with drive gear seal |
Jan. 9, 2001 |
| 5823750 |
Housing arrangement for an external rotar driven lubricating pump |
Oct. 20, 1998 |
| 5695327 |
Sealing, mounting and drive of the rotors of a dry-running screw compressor |
Dec. 9, 1997 |
| 5538409 |
Trochoidal piston side seal |
Jul. 23, 1996 |
| 5538409 |
Trochoidal piston side seal |
Jul. 23, 1996 |
| 5452997 |
Rotary device with thermally compensated seal |
Sep. 26, 1995 |
| 5429084 |
Axial vane rotary device and sealing system therefor |
Jul. 4, 1995 |
| 5397224 |
Elongated roller side seals for a rotary engine |
Mar. 14, 1995 |
| 5374173 |
Fluid rotating apparatus with sealing arrangement |
Dec. 20, 1994 |
| 5322428 |
Gear transfer pump with lubrication and sealing of the driveshaft and idler pin |
Jun. 21, 1994 |
| 5295814 |
Trochoidal rotary piston machine with piston follow-up mechanism |
Mar. 22, 1994 |
| 5199863 |
Sealing of an eccentric bearing of a rotary piston internal combustion engine |
Apr. 6, 1993 |
| 5096396 |
Rotary apparatus having passageways to clean seal chambers |
Mar. 17, 1992 |
| 5049049 |
Rotary piston internal combustion engine |
Sep. 17, 1991 |
| 4923377 |
Self-machining seal ring leakage prevention assembly for rotary vane device |
May. 8, 1990 |
| 4818199 |
Spiral displacement machine for compressible media with embossed sheet metal seal strip |
Apr. 4, 1989 |
| 4735560 |
Seal assembly for a rotary device |
Apr. 5, 1988 |
| 4723897 |
Rotary engine |
Feb. 9, 1988 |
| 4717322 |
Roots-type fluid machine |
Jan. 5, 1988 |
| 4646694 |
Rotary engine |
Mar. 3, 1987 |
| 4548560 |
Seal system in rotary engine |
Oct. 22, 1985 |
| 4479763 |
Rotary compressor |
Oct. 30, 1984 |
| 4470780 |
Air motor vane lifting device |
Sep. 11, 1984 |
| 4444165 |
Internal combustion rotary power plant system |
Apr. 24, 1984 |
| 4444164 |
Internal combustion rotary power plant system |
Apr. 24, 1984 |
| 4439120 |
Meshing cog-wheel injection unit with lateral sealing and scropers |
Mar. 27, 1984 |
| 4424779 |
Internal combustion rotary power plant system |
Jan. 10, 1984 |
| 4395205 |
Mechanically actuated tip seals for scroll apparatus and scroll apparatus embodying the same |
Jul. 26, 1983 |
| 4298318 |
Rotary valve for fluid motor or pump |
Nov. 3, 1981 |
| 4293290 |
Positive displacement rotary pump with bearings in countersunk portions of the rotors |
Oct. 6, 1981 |
| 4233004 |
Seal for an eccentric-rotor machine |
Nov. 11, 1980 |
| 4221553 |
Oribital pump with fluid flow control |
Sep. 9, 1980 |
| 4199308 |
Axial compliance/sealing means for improved radial sealing for scroll apparatus and scroll apparatus incorporating the same |
Apr. 22, 1980 |
| 4191515 |
Sealing system for a rotary machine |
Mar. 4, 1980 |
| 4138124 |
Corner seal for rotary piston engines |
Feb. 6, 1979 |
| 4123205 |
Rotary vane pump with sealing means |
Oct. 31, 1978 |
| 4105378 |
Sealing arrangement |
Aug. 8, 1978 |
| 4097205 |
Orbital pump with inlet and outlet through the rotor |
Jun. 27, 1978 |
| 4018548 |
Rotary trochoidal compressor |
Apr. 19, 1977 |
| 4012181 |
Engine with rotor, of new type |
Mar. 15, 1977 |
| 3976407 |
Fluid power converter side seal |
Aug. 24, 1976 |
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