IP Library Granted Patent US 8,591,841
Granted Patent B2
US 8,591,841 · App. 13/318,691 · Granted Nov 26, 2013

Microreactor system

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Quick Facts
Patent No.
US 8,591,841
App. No.
13/318,691
Granted
Nov 26, 2013
Kind
B2
Abstract

In relation to a microreactor, and also a microreactor system applying the same therein, not producing any dead volume therein, and thereby achieving a high level of mixing properties even at a low solution flow rate and having a simple structure thereof, disclosed herein are a microreactor and microreactor system, comprising a channel for mixing up at least two (2) types of fluids, and thereby conducting mixing/reacting of fluids by conducting the mixing/reacting of the fluids at least one (1) time, i.e., being suitable for so-called a multi-step reaction.

Claims (41)

1. A microreactor, having channels for mixing at least two (2) kinds of fluids, for mixing up the fluids through dividing of the fluids and combining the fluids divided, comprising in an inside thereof:

(a) at least two (2) pieces of channels, which are formed within a certain plane, to introduce the fluids therein;

(b) channels, which are formed on said plane, to combine the fluids introduced;

(c) channels, which are configured so that the fluids combined change a flow path into a direction approximately parallel with a plane, on which a flow path of the fluids to be combined lies and also rectangular to the flow path of the fluids to be combined;

(d) channels, which are formed within the plane, on which said channels lie, to divide the fluids combined into two (2) thereof;

(e) channels, which are configured to change the flow path into a direction approximately parallel with the plane, on which said channel to divide, and approximately rectangular to said channel to divide, after each of the fluids divided flows into a direction near to the normal line;

(f) channels, which are formed within the plane, on which said channels lie, to combine two (2) fluids divided in a direction approximately vertical or approximately parallel with respect to said plane; and

(g) channels, which are configured to advance the combined fluids into a direction approximately parallel with a plane, on which said combined channels lie, and approximately rectangular to said combined channels lie, wherein

each of said channels of (b) to (g) is formed in an inside of said microreactor, at least two (2) or more numbers thereof.

2. The microreactor as described in the claim 1 , wherein

said channels are formed by facing two (2) pieces of a plane-like plate, each of which has the channels, opposing to each other, and

on an opposing surface of one of said plates are formed said channels of (a), (b), (e) and (f), while

on an opposing surface of the other of said plate are formed said channels of (c), (d) and (g).

3. A microreactor system for combining at least three (3) kinds of fluids therein, comprising:

a sending unit, which is configured to send said fluids;

a reactor unit, which includes at least two (2) microreactors, each for reacting at least two (2) kinds of fluids therein;

a temperature control unit, which is configured to execute temperature control of said reactor unit; and

a control unit, wherein

said sending unit, said reactor unit and said temperature control unit are controlled and monitored,

said fluids are sent by a syringe and a syringe pump, which are included in said sending unit,

said microreactors are provided in series directing from an upstream side to a downstream side,

temperatures of said microreactors are controlled, separately, for each microreactor, through said temperature control unit, and

each of said microreactors is that, which is described in the claim 2 .

4. The microreactor as described in the claim 3 , wherein

at least one (1) kind of said fluids is sent by operating two (2) pieces of syringes, simultaneously.

5. The microreactor as described in the claim 3 , wherein

said control unit executes at least two (2) operations, continuously, through instructing said at least two (2) operations to be executed continuously by said sending unit, in advance.

6. A microreactor system for combining at least three (3) kinds of fluids therein, comprising:

a sending unit, which is configured to send said fluids;

a reactor unit, which includes at least two (2) microreactors, each for reacting at least two (2) kinds of fluids therein;

a temperature control unit, which is configured to execute temperature control of said reactor unit; and

a control unit, wherein

said sending unit, said reactor unit and said temperature control unit are controlled and monitored,

said fluids are sent by a syringe and a syringe pump, which are included in said sending unit,

said microreactors are provided in series directing from an upstream side to a downstream side,

temperatures of said microreactors are controlled, separately, for each microreactor, through said temperature control unit, and

each of said microreactors is that, which is described in the claim 1 .

7. The microreactor as described in the claim 6 , wherein

at least one (1) kind of said fluids is sent by operating two (2) pieces of syringes, simultaneously.

8. The microreactor as described in the claim 6 , wherein

said control unit executes at least two (2) operations, continuously, through instructing said at least two (2) operations to be executed continuously by said sending unit, in advance.

Assignments (2)
MERGER Recorded Jan 13, 2014
From: HITACHI PLANT TECHNOLOGIES, LTD.
To: HITACHI, LTD.
Reel/Frame 031953/0447 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Nov 3, 2011
From: ASANO, YUKAKO; MIYAMOTO, TETSURO; TOGASHI, SHIGENORI; ENDO, YOSHISHIGE; TSUDOME, HIDEKAZU; KATO, HAJIME
To: HITACHI PLANT TECHNOLOGIES, LTD.
Reel/Frame 027169/0606 →