Teijin Pharma Limited

Hideo Nawata

Shinichi Ito

Hisashi Kiriake

Kanji Kurome

Naotoshi Fujimoto

Sadakazu Matsubara

Mamiko Mizuta

Seiji Masumura

Provided is a compressor as a device which can solve a contradictory technical problem of installing an intake sound muffler while downsizing the device under a circumstance that installation of the intake sound muffler is indispensable to reduce intake noise of the compressor, and the compressor comprises: a first lid part provided with a small hole which forms an intake port of the compressor, the lid part constituting a portion of a cylindrical casing of the compressor; a cylindrical part; and a second lid part which forms a small chamber together with the first lid part, wherein the second lid part is provided with a suction nozzle for sucking air into the small chamber.

Air compressor with improved noise reduction performance

Oxygen concentrating apparatus

Bag for oxygen concentrating apparatus

As a respiration synchronized-type gas supplying apparatus which has a function for setting the flow rate during continuous supply and at the same time can be miniaturized by simplifying the structure, the present invention provides an oxygen supplying apparatus comprising an oxygen generating means, an oxygen supplying means for supplying the oxygen generated by the oxygen supplying means to a user and an automatic closing valve placed on the oxygen-supplying passage, wherein the oxygen supplying apparatus is provided with the following: a respiration sensor which detects the respiration of a user; a supply method setting means which selects the supply in a continuous flow or the supply in synchronism with the respiration of the user; a flow rate setting means for a supply flow rate; and a controlling means which controls the aperture of the closing valve corresponding to the set value of the flow rate setting means by receiving a supply method setting signal of the continuous flow, or opens the automatic closing valve on the inhalation starting point based on the respiration signal of the respiration sensor by receiving a supply method setting signal of the synchronous flow and at the same time controls the open time of the automatic closing valve corresponding to the flow rate set value.

Oxygen supplying apparatus

An oxygen concentration apparatus () according to the present invention has: pressure swing adsorption type oxygen concentration means (); and a control means () that controls switching means () that switches between intake of pressurized air into an adsorption column () and exhaust from the adsorption column. The switching means is controlled based on pressure in oxygen concentrated gas in the conduit measured by pressure measuring means to adjust a cycle of adsorption and regeneration processes of the oxygen concentration means so that pressure at the upstream of flow rate adjusting means () can be controlled and, as a result, the need for a mechanical pressure regulating valve, that has been needed conventionally, can be eliminated. Further, there is also shown a gas supply apparatus that comprises ultrasonic type gas concentration and flow rate measuring means that comprises, in turn, two ultrasonic transducers that is disposed in an opposed manner in the conduit through which product gas flows so that a concentration value measured when the product gas output is stopped is determined to be a product gas concentration.

Oxygen concentration apparatus

As a unit which functions to prevent variations in the respiration phases of a user, erroneous recognition due to disturbances such as vibrations of the supply unit and wind, discomfort to the user due to unnecessary supply of oxygen and wasteful supply of oxygen, there is provided a respiration-synchronizing gas supply unit characterized by comprising means for recognizing the inspiration phase initial point and the expiration phase initial point, and by carrying out automatic on-off valve control with recognition means that does not recognize the next inspiration phase initial point during the time between recognition of the inspiration phase initial point and recognition of the expiration phase initial point, and between recognition of the expiration phase initial point and elapse of a predetermined time period.

Growing community of inventors

Tokyo, Japan

Hideo Nawata