Browse by Category - Patent Genius

Resources

Home

Browse by:

Browse by Category: Main > Industrial

Class Information
Number: 418/201
Name: Rotary expansible chamber devices >
Description:

Sub-classes under this class:

Class Number	Class Name	Patents
418/1	Methods	183
418/102	Shaft or trunnion lubrication or sealing by diverted working fluid portion	126
418/103	Working member peripheral surface comprises relatively circumferentially movable segments	0
418/104	With mechanical sealing	149
418/14	With delayed load	39
418/15	With plural working fluid inlet or outlet passages	255
418/150	Working chamber surface expressed mathematically	189
418/151	Weight balanced working member or partition	159
418/152	Non-metallic working member, cylinder or partition	162
418/156	Resilient working member, cylinder or partition	40
418/157	Shock or pressure relieving yieldable peripheral working member or cylinder surface portion	8
418/158	Magnetically biased vane or abutment	12
418/159	Adjustable working chamber peripheral wall controls working fluid flow	40
418/16	With changeable working chamber magnitude	15
418/160	Moving cylinder	5
418/178	With wear surface treatment or integrally plated wear layer	278
418/179	Specific material	217
418/180	Apertured bypass to pressurize or relieve working chamber zone of intermediate pressure	62
418/181	Combined	130
418/182	Relatively movable working member and drive shaft axes	72
418/183	With supply or exhaust passage in working member	48
418/189	Trapped fluid relief	56
418/191	Interengaging rotating members	78
418/2	With signal, indicator or transparent inspection means	55
418/207	Relatively moving work transmitting barriers move in separate intersecting chambers	11
418/208	Movable intermediate partition engages peripheries of plural spaced working members	2
418/209	Plural working chambers	14
418/220	Helical working member	55
418/221	Moving abutment and vane	12
418/222	Separable abutment	6
418/223	With secondary vane or abutment moving means	4
418/224	Valved vane or abutment	5
418/225	Vane or abutment comprises rotatable element	61
418/228	Axially moving vane or abutment	4
418/234	Tapered vane or abutment (e.g., wedge shaped)	10
418/235	Wear elements or antifriction means in vane or abutment slot	22
418/236	Non-radially positioned sliding vane or abutment	18
418/239	Alternately usable vane or abutment structure for reverse working member rotation	2
418/240	Interconnected abutments	6
418/241	Abutment or vane has concurrent rocking and radially sliding movement	28
418/242	Spaced oscillating abutment portions engage working member	0
418/243	Positively actuated abutment	13
418/252	With provision for quick vane replacement	5
418/253	Interconnected vanes	20
418/259	Positively actuated vane	133
418/270	Miscellaneous	253
418/3	Diverse rotary expansible chamber devices	24
418/32	Self-acting unidirectional flow with reverse rotation or reverse flow with unidirectional rotation	38
418/33	Intermittently accelerated and receding members rotate in same path (alternating piston type)	13
418/39	Convertible or changeable by assembly or disassembly	37
418/4	Working member or cylinder surface has alternate linear and curvilinear movement (e.g., endless)	5
418/40	Speed controlled	6
418/45	Collapsible progressively deformed working chamber wall	28
418/46	With removal or accommodation of solid foreign material in working fluid	24
418/48	Unlike helical surfaces on relatively wobbling rotating member and encompassing cylinder (e.g., moineau type)	213
418/49	Nutating working member	9
418/5	Multistage	46
418/54	Working member has planetary or planetating movement	43
418/68	Rotating internal member rotates and oscillates or reciprocates	45
418/69	With frangible drive connection or clutch	58
418/70	With rapid disassembly feature (i.e., without tools)	14
418/71	Pressure fluid radially balances working or rotating abutment member	15
418/75	Grooved abutting cylinder-rotating member end surfaces	41
418/83	Heat exchange or non-working fluid lubricating or sealing	172
418/DIG.1	Non-working fluid separation	178